电器专用保险丝
”共930条产品,ICGOO在线商城所选择的供货商都经过严格筛选,垂直采购渠道透明,质量有保障。工作温度
- -55°C ~ 125°C
- -
- -40°C ~ 125°C
- -40°C ~ 90°C
- -50°C ~ 125°C
- -55°C ~ 90°C
- -40°C ~ 80°C
- -25°C ~ 85°C
- -25°C ~ 70°C
安装类型
- 表面贴装
- 支座
- -
- Bolt Mount
- Surface Mount
- Through Hole
- Holder
- 螺栓安装
- In Line
- 通孔
- Bolt
零件状态
- 停產
- 在售
- Active
- Obsolete
- Preliminary
- Discontinued at Digi-Key
包装
- 带卷(TR)
- 散装
- -
- Bulk
- Digi-Reel®
- Tape & Reel (TR)
- Cut Tape (CT)
- Box
- Tape & Box (TB)
特性
- -
- 指示
- Indicating
- Intrinsically Safe
- Visual Indicating
响应时间
- 快速
- -
- Slow Blow
- Fast Blow
- Medium Blow
- 慢速
认可
- CSA,UL
- CSA,UR
- CE,CSA,UL,UR
- -
- cURus
- CSA, UR
- CE, CSA, QPL, UL
- CE, CSA, UL
- CSA, UL
- CCC, CSA, UL
- UL
- CE, UR
- CE, CSA
- CE, CSA, UR
- CE, UL
- ASTA, CCC
- CE
- CE, VDE
- UR
- CCC, CE, cURus, UL
- VDE
- UL, VDE
- Baseefa, UR
- CE, CSA, UL, UR
- CE, CSA, UL, VDE
- CSA, PSE, QPL, UL
- CE,CSA,cURus
- CE,UR
- CSA
- CSA, PSE, UR
- CE, CSA, cURus
- CE, cULus
额定电流
- 1.25A
- 1.25kA
- 6A
- 63A
- 100A
- 75A
- 2A
- 50mA
- 400A
- 40A
- 25A
- 2.5kA
- 600A
- 30A
- 125A
- 4A
- 70A
- 130A
- 230A
- 150A
- 450A
- 125mA
- 500mA
- 250A
- 200A
- 20A
- 50A
- 350A
- 600mA
- 16A
- 15A
- 10A
- 7A
- 1.2kA
- 2kA
- 45A
- 80A
- 2.5A
- 17.5A
- 71A
- Dummy
- 355A
- 280A
- 32A
- -
- 60A
- 8A
- 35A
- 710A
- 7.5A
- 12A
- 15mA
- 1.6A
- 315A
- 188mA
- 250mA
- 5A
- 170A
- 550A
- 100mA
- 1.5A
- 700A
- 2.8A
- 56A
- 180A
- 800A
- 500A
- 630A
- 36A
- 1.125A
- 160A
- 3.5A
- 3.2A
- 300mA
- 175A
- 800mA
- 1.5kA
- 2mA
- 3A
- 200mA
- 300A
- 400mA
- 1A
- 14A
- 3mA
- 40mA
- 72A
- 1kA
- 750mA
应用
- 电信
- 电气,工业
- -
- Electrical, Industrial
- Telecom
- Hazardous Locations
- Transformer Protection
- Solar (Photovoltaic)
- Motor Protection
- Motor Protection, Transformer Protection
- Lift Trucks
- Multi-Meters
- Semiconductors
- 电缆保护
- Industrial, Motor Protection, Solar (Photovoltaic)
- 电机保护
- Automotive
不同额定电压时的熔断能力
- 60A
- 200kA
- 200kAAC,50kA DC
- -
- 2kA
- 60A AC, 100A DC
- 50A
- 4kA
- 200kA AC, 20kA DC
- 10kA
- 50kA
- 80kA
- 30kA AC, 50kA DC
- 300kA AC, 20kA DC
- 6kA
- 120kA
- 300kA AC, 100kA DC
- 100kA
- 300A
- 15kA
- 480A
- 63kA
- 100kA AC, 150kA DC
- 100kA AC, 10kA DC
- 45kA
- 200kA AC, 50kA DC
- 200kA AC, 100kA DC
- 20kA
- 50A AC, 300A DC
- 300A AC, 450A DC
- 100kA AC, 50kA DC
- 3kA
- 25KA AC,20kA DC
- 200kAAC,80kA DC
- 200A
- 100A
- 1kA
- 2.7kA
- 25kA AC, 50kA DC
- 80A
- 50kA AC, 20kA DC
- 40kA
- 2.13kA
- 2.5kA
- 10A
- 120kA AC, 25kA DC
- 50kA AC, 50kA DC
保险丝类型
- 板式安装
- 方形
- 盒
- -
- Square
- Board Mount
- Cartridge
- Fuse Link
- Fuse Strip
- Indicating Fuse
- Rectangular
额定电压 - AC
- 600V
- 700V
- 300V
- 400V
- 500V
- 250V
- 690V
- 2.54kV
- 5.5kV
- 550V
- 1kV
- 750V
- 264V
- 280V
- 7.2kV
- 1.3kV
- 480V
- 900V
- 15.5kV
- 8.3kV
- 415V
- 3.6kV
- 5.08kV
- 125V
- 660V
- 240V
- 48V
- 1.2kV
- 10kV
- 1000V
- 32V
- 150V
- 350V
类别
- -
- T
- RK5
- J
- L
- H
- R
- C
- CC
- D
- NH
- G
- K5
- RK1
- CD
- E
封装/外壳
- 2-SMD,方形端块
- 矩形,插片
- 盒,非标准
- -
- Rectangular
- 2-SMD, Square End Block
- Axial
- Cylindrical, Blade Terminals
- Cartridge, Non-Standard
- Cylindrical, Blade Terminal (Bolt)
- 5AG, 10mm x 38.1mm
- 5mm x 20mm
- 3AB, 3AG, 1/4" x 1-1/4"
- Cylindrical, Alarm Indicating
- 8AG, 1/4" x 1"
- Cylindrical, Alarm Indicating, 5AG, 10x38.1mm
- Metal Strip
- Rectangular, Blade
- Blade Type, Module
- Cylindrical, Neutral Link, 5AG, 10.3 x 38.1mm
- Fuse Link
- Cylindrical, Alarm Indicator, Blade Terminal
- Radial Bend Cylinder
- Radial, Can, Horizontal
- Alarm Indicator
- Cartridge, Inline, Double Ended
- Cylindrical, Blade Terminal (Alternating)
- 5AG, 10mm x 38.1mm w/PC Pins
- 径向弯曲圆柱
- 圆柱形,扁平端子(螺栓)
- Radial, Can, Vertical
- 5AG,10mm x 38.1mm
- Hockey Puck
大小/尺寸
- 0.402" 长 x 0.122" 宽 x 0.122" 高(10.20mm x 3.10mm x 3.10mm)
- 1.969" 长 x 2.402" 宽 x 3.031" 高(50.00mm x 61.00mm x 77.00mm)
- 0.406" 直径 x 0.875" 长(10.30mm x 22.23mm)
- -
- 0.925" L x 0.787" W x 0.453" H (23.50mm x 20.00mm x 11.50mm)
- 0.398" L x 0.123" W x 0.123" H (10.10mm x 3.12mm x 3.12mm)
- 0.119" Dia x 0.331" L (3.02mm x 8.40mm)
- 2.594" Dia x 11.626" L (65.90mm x 295.30mm)
- 1.063" Dia x 5.500" L (27.00mm x 139.70mm)
- 1.126" Dia x 2.626" L (28.60mm x 66.70mm)
- 0.405" L x 0.109" W x 0.109" H (10.29mm x 2.77mm x 2.77mm)
- 5.000" Dia x 3.750" L (127.00mm x 95.25mm)
- 3.094" Dia x 8.870" L (78.6mm x 225.30mm)
- 0.406" Dia x 1.500" L (10.30mm x 38.10mm)
- 0.406" Dia x 1.500" L (10.31mm x 38.10mm)
- 0.406" Dia x 1.496" L (10.30mm x 38.00mm)
- 3.000" Dia x 10.800" L (76.20mm x 274.32mm)
- 0.689" Dia x 1.161" L (17.50mm x 29.50mm)
- 18.000" L x 3.000" W x 4.600" H (457.20mm x 76.20mm x 116.84mm)
- 18.000" L x 3.000" W x 7.400" H (457.20mm x 76.20mm x 187.96mm)
- 0.539" Dia x 1.362" L (13.70mm x 34.60mm)
- 1.969" L x 1.500" W x 3.268" H (50.00mm x 38.00mm x 83.00mm)
- 0.197" Dia x 0.787" L (5.00mm x 20.00mm)
- 2.380" Dia x 3.000" L (60.33mm x 76.20mm)
- 0.252" Dia x 1.252" L (6.40mm x 31.80mm)
- 0.563" Dia x 2.008" L (14.30mm x 51.00mm)
- 0.248" Dia x 1.000" L (6.30mm x 25.40mm)
- 0.406" Dia x 1.500" L (10.30mm x 38.00mm)
- 2.500" Dia x 3.750" L (63.50mm x 95.25mm)
- 3.500" Dia x 6.811" L (88.90mm x 173.00mm)
- 0.874" Dia x 2.283" L (22.20mm x 58.00mm)
- 3.228" L x 0.866" W x 0.413" H (82.00mm x 22.00mm x 10.50mm)
- 2.126" L x 0.827" W x 1.693" H (54.00mm x 21.00mm x 43.00mm)
- 2.000" Dia x 3.469" L (50.80mm x 88.10mm)
- 1.060" Dia x 5.50" L (26.92mm x 139.70mm)
- 0.810" Dia x 3.00" L (20.57mm x 76.20mm)
- 1.220" Dia x 5.000" L (31.00mm x 127.00mm)
- 0.406" Dia x 3.333" W (10.31mm x 84.65mm)
- 0.563" Dia x 2.000" L (14.30mm x 50.80mm)
- 1.450" L x 0.550" W x 0.984" H (36.83mm x 13.97mm x 25.00mm)
- 1.500" Dia x 1.969" L (38.10mm x 50.00mm)
- 2.992" Dia x 17.402" L (76.00mm x 442.00mm)
- 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm)
- 2.323" L x 1.772" W x 2.008" H (59.00mm x 45.00mm x 51.00mm)
- 0.406" Dia x 2.252" L (10.30mm x 57.20mm)
- 2.677" L x 0.827" W x 1.614" H (68.00mm x 21.00mm x 41.00mm)
- 0.380" L x 0.120" W x 0.120" H (9.65mm x 3.05mm x 3.05mm)
- 2.000" Dia x 3.374" L (50.80mm x 85.70mm)
- 1.500" Dia x 3.000" L (38.10mm x 76.20mm)
- 0.807" Dia x 5.000" L (20.50mm x 127.00mm)
- 0.181" Dia x 0.760" L (4.60mm x 19.30mm)
- 0.563" Dia x 0.880" L (14.30mm x 22.35mm)
- 0.250" Dia x 1.250" L (6.35mm x 31.75mm)
- 2.000" Dia x 2.843" L (50.80mm x 72.20mm)
- 0.406" Dia x 1.311" L (10.30mm x 33.30mm)
- 0.810" Dia x 1.560" W (20.57mm x 39.62mm)
- 0.406" Dia x 1.532" L (10.30mm x 38.90mm)
- 3.150" 长 x 1.772" 宽 x 2.283" 高(80.00mm x 45.00mm x 58.00mm)
- 2.953" L x 2.087" W x 2.480" H (75.00mm x 53.00mm x 63.00mm)
- 2.953" L x 2.362" W x 2.480" H (75.00mm x 60.00mm x 63.00mm)
- 2.000" Dia x 5.709" L (50.80mm x 145.00mm)
- 1.600" Dia x 9.500" L (40.64mm x 241.30mm)
- 1.600" Dia x 17.600" L (40.64mm x 447.04mm)
- 1.016" Dia x 2.283" L (25.80mm x 58.00mm)
- 1.500" Dia x 2.091" L (38.10mm x 53.10mm)
- 0.469" Dia x 2.559" L (11.90mm x 65.00mm)
- 2.992" Dia x 11.500" L (76.00mm x 292.00mm)
- 3.000" Dia x 15.900" L (76.20mm x 403.86mm)
- 0.315" Dia x 0.512" L (8.00mm x 13.00mm)
- 0.688" L x 0.127" W x 0.810" H (17.48mm x 3.23mm x 20.57mm)
- 0.406" Dia x 2.319" L (10.30mm x 58.90mm)
- 1.016" Dia x 2.134" L (25.80mm x 54.20mm)
- 0.697" Dia x 1.032" L (17.70mm x 26.20mm)
- 0.252" Dia x 1.268" L (6.40mm x 32.20mm)
- 2.717" L x 2.087" W x 2.008" H (69.00mm x 53.00mm x 51.00mm)
- 0.540" Dia x 3.370" L (13.72mm x 85.54mm)
- 0.560" Dia x 2.000" L (14.22mm x 50.80mm)
- 0.118" Dia x 0.197" L (3.00mm x 5.00mm)
- 0.406" Dia x 3.475" L (10.31mm x 88.27mm)
- 3.228" L x 0.787" W x 0.030" H (82.00mm x 20.00mm x 0.75mm)
- 1.870" L x 1.181" W x 2.362" H (47.50mm x 30.00mm x 60.00mm)
- 2.677" L x 3.425" W x 4.016" H (68.00mm x 87.00mm x 102.00mm)
- 0.410" Dia x 1.380" L (10.41mm x 35.05mm)
- 4.724" L x 4.134" W x 2.638" H (120.00mm x 105.00mm x 67.00mm)
- 1.110" Dia x 7.880" L (28.19mm x 200.15mm)
- 4.724" L x 4.134" W x 3.575" H (120.00mm x 105.00mm x 90.80mm)
- 2.717" L x 2.165" W x 2.795" H (69.00mm x 55.00mm x 71.00mm)
- 3.307" L x 3.425" W x 4.094" H (84.00mm x 87.00mm x 104.00mm)
- 0.410" Dia x 2.996" L (10.41mm x 76.10mm)
- 1.063" Dia x 0.843" L (27.00mm x 21.40mm)
- 1.063" Dia x 2.437" L (27.00mm x 61.90mm)
- 0.562" Dia x 0.944" L (14.28mm x 23.98mm)
- 1.311" Dia x 7.874" L (33.30mm x 200.00mm)
- 0.689" Dia x 1.362" L (17.50mm x 34.60mm)
- 0.810" Dia x 2.250" L (20.57mm x 57.15mm)
- 1.780" L x 1.250" W (45.21mm x 31.75mm)
- 0.394" Dia x 1.496" L (10.00mm x 38.00mm)
- 0.181" 直径 x 0.760" 长(4.60mm x 19.30mm)
- 3.189" 长 x 2.992" 宽 x 3.622" 高(81.00mm x 76.00mm x 92.00mm)
- 0.571" 直径 x 2.626" 长(14.50mm x 66.70mm)
- 1.614" 直径 x 2.992" 长(41.00mm x 76.00mm)
- 0.811" 直径 x 4.606" 长(20.60mm x 117.00mm)
- 0.689" Dia x 1.398" L (17.50mm x 35.50mm)
- 0.827" Dia x 2.303" L (21.00mm x 58.50mm)
- 2.500" Dia x 7.717" L (63.50mm x 196.00mm)
- 1.880" L x 0.750" W x 1.270" H (47.75mm x 19.05mm x 32.26mm)
- 0.406" Dia x 1.543" L (10.30mm x 39.20mm)
- 0.252" Dia x 0.346" L (6.40mm x 8.80mm)
- 1.654" L x 0.472" W x 0.031" H (42.00mm x 12.00mm x 0.80mm)
- 0.866" Dia x 1.969" L (22.00mm x 50.00mm)
- 0.874" Dia x 3.189" L (22.20mm x 81.00mm)
- 1.969" L x 2.087" W x 2.717" H (50.00mm x 53.00mm x 69.00mm)
- 2.008" L x 2.992" W x 3.543" H (51.00mm x 76.00mm x 90.00mm)
- 0.866" Dia x 2.283" L (22.00mm x 58.00mm)
- 0.940" Dia x 3.110" L (23.88mm x 79.00mm)
- 2.126" L x 1.181" W x 1.969" H (54.00mm x 30.00mm x 50.00mm)
- 1.560" Dia x 7.13" L (39.62mm x 181.10mm)
- 2.126" L x 1.181" W x 2.008" H (54.00mm x 30.00mm x 51.00mm)
- 0.813" Dia x 2.750" L (20.65mm x 69.85mm)
- 2.000" Dia x 6.630" L (50.80mm x 168.40mm)
- 0.811" Dia x 5.000" L (20.60mm x 127.00mm)
- 0.563" Dia x 0.874" H (14.30mm x 22.20mm)
- 1.000" Dia x 2.130" L (25.40mm x 54.10mm)
- 2.913" L x 2.087" W x 2.717" H (74.00mm x 53.00mm x 69.00mm)
- 0.810" Dia x 10.000" L (20.57mm x 254.00mm)
- 2.126" L x 0.827" W x 1.575" H (54.00mm x 21.00mm x 40.00mm)
- 1.000" Dia x 1.160" L (25.40mm x 29.40mm)
- 1.062" Dia x 0.830" L (27.00mm x 21.10mm)
- 1.220" Dia x 2.130" L (31.00mm x 54.10mm)
- 0.850" Dia x 1.880" L (21.60mm x 47.80mm)
- 1.252" Dia x 5.874" L (31.80mm x 149.20mm)
- 1.156" Dia x 1.836" L (29.36mm x 46.63mm)
- 2.500" Dia x 2.220" L (63.50mm x 56.40mm)
- 0.205" Dia x 0.984" L (5.20mm x 25.00mm)
- 1.220" Dia x 3.130" L (30.99mm x 79.50mm)
- 2.559" L x 1.654" W x 1.142" H (65.00mm x 42.00mm x 29.00mm)
- 2.000" Dia x 11.190" L (50.80mm x 284.18mm)
- 0.406" 直径 x 1.496" 长(10.30mm x 38.00mm)
- 2.953" L x 2.008" W x 2.480" H (75.00mm x 51.00mm x 63.00mm)
- 2.913" L x 2.402" W x 3.032" H (74.00mm x 61.00mm x 77.00mm)
- 1.610" Dia x 9.630" L (40.89mm x 244.60mm)
- 1.614" L x 0.551" W x 0.256" H (41.00mm x 14.00mm x 6.50mm)
- 1.500" Dia x 3.469" L (38.10mm x 88.10mm)
- 0.811" Dia x 3.748" L (20.60mm x 95.20mm)
- 2.008" L x 2.992" W x 3.622" H (51.00mm x 76.00mm x 92.00mm)
- 2.000" Dia x 1.886" L (50.80mm x 47.90mm)
- 1.500" Dia x 1.579" L (38.10mm x 40.10mm)
- 0.543" Dia x 1.362" L (13.80mm x 34.60mm)
- 2.953" L x 2.921" W x 1.969" H (75.00mm x 74.20mm x 50.00mm)
- 1.500" Dia x 2.840" L (38.10mm x 72.14mm)
- 1.125" Dia x 3.085" L (28.57mm x 78.36mm)
- 1.846" L x 0.547" W x 1.824" H (46.89mm x 13.89mm x 46.34mm)
额定电压 - DC
- 160V
- 58V
- 80V
- 250V
- 300V
- 550V
- 440V
- 1kV
- 500V
- 600V
- 800V
- 48V
- 750V
- 1.5kV
- 350V
- 125V
- 170V
- 700V
- 425V
- 400V
- 450V
- 60V
- 150V
- 32V
- 36V
- 900V
融断 I²t
- 22.200001
- 9.500000
- 1330000.000000
- 15000.000000
- 16.500000
- 50.000000
- 1495.000000
- 0.009500
- 22.000000
- 19.000000
- 12.000000
- 30.000000
- 180.000000
- 17.000000
- 11200.000000
- 1900.000000
- 4.755000
- 0.750000
- 1.600000
- 23.030001
- 2900.000000
DC 冷态电阻
- 0.09 Ohms
- 0.11 Ohms
- 0.002 Ohms
- 0.67 Ohms
- 0.075 Ohms
- 0.0413 Ohms
- 0.89 mOhms
- 1.4 Ohms
序号 | 图片 | 产品名称 | 型号 | 制造商 | 环保 | 参考价格 | 描述 |
---|---|---|---|---|---|---|---|
1 | 电器专用保险丝 | PV-5A10F | Eaton | Y | 询价 |
||
2 | 暂无 | 电器专用保险丝 | KLK15 | Amprobe | Y | 询价 |
|
3 | 电器专用保险丝 | RJS 300 | Bel Fuse Inc. | 询价 |
|||
4 | 暂无 | 电器专用保险丝 | 004334218 | Altech Corporation | Y | 询价 |
|
5 | 暂无 | 电器专用保险丝 | 004334211 | Altech Corporation | Y | 询价 |
|
6 | 暂无 | 电器专用保险丝 | 004334209 | Altech Corporation | Y | 询价 |
|
7 | 暂无 | 电器专用保险丝 | 004334214 | Altech Corporation | Y | 询价 |
|
8 | 暂无 | 电器专用保险丝 | 004334213 | Altech Corporation | Y | 询价 |
|
9 | 暂无 | 电器专用保险丝 | 004334216 | Altech Corporation | Y | 询价 |
|
10 | 暂无 | 电器专用保险丝 | 004334210 | Altech Corporation | Y | 询价 |
|
11 | 暂无 | 电器专用保险丝 | 02CO100.Z | Littelfuse Inc. | 询价 |
||
12 | 电器专用保险丝 | 0090.0015 | Schurter Inc. | Y | ¥询价-¥询价 询价 |
||
13 | 电器专用保险丝 | 0SPF030.T | Littelfuse Inc. | Y | ¥询价-¥询价 询价 |
||
14 | 电器专用保险丝 | FWJ-25A14F | Eaton | Y | 询价 |
||
15 | 电器专用保险丝 | JLLN700.XXP | Littelfuse Inc. | 询价 |
|||
16 | 电器专用保险丝 | 0SPF002.HXR | Littelfuse Inc. | Y | 询价 |
||
17 | 暂无 | 电器专用保险丝 | 004744221 | Altech Corporation | Y | 询价 |
|
18 | 暂无 | 电器专用保险丝 | PV-1A10-2P | Eaton | Y | 询价 |
|
19 | 电器专用保险丝 | PV-2A10F | Eaton | Y | 询价 |
||
20 | 电器专用保险丝 | PV-3A10F | Eaton | Y | 询价 |
||
21 | 电器专用保险丝 | PV-1A10F | Eaton | Y | 询价 |
||
22 | 电器专用保险丝 | CEO100M200 | Eaton | Y | 询价 |
||
23 | 暂无 | 电器专用保险丝 | 004743735 | Altech Corporation | Y | 询价 |
|
24 | 暂无 | 电器专用保险丝 | 004384129 | Altech Corporation | Y | 询价 |
|
25 | 暂无 | 电器专用保险丝 | 004385129 | Altech Corporation | Y | 询价 |
|
26 | 暂无 | 电器专用保险丝 | 004384729 | Altech Corporation | Y | 询价 |
|
27 | 暂无 | 电器专用保险丝 | 004383129 | Altech Corporation | Y | 询价 |
|
28 | 暂无 | 电器专用保险丝 | 004385729 | Altech Corporation | Y | 询价 |
|
29 | 暂无 | 电器专用保险丝 | LA130URD71LLI0280 | Littelfuse Inc. | 询价 |
||
30 | 暂无 | 电器专用保险丝 | PV-3A10-2P | Eaton | Y | 询价 |
|
31 | 暂无 | 电器专用保险丝 | 0CBO012.V | Littelfuse Inc. | 询价 |
||
32 | 暂无 | 电器专用保险丝 | 0CNL130.V | Littelfuse Inc. | Y | ¥询价-¥询价 询价 |
|
33 | 暂无 | 电器专用保险丝 | 0CBO030.V | Littelfuse Inc. | 询价 |
||
34 | 暂无 | 电器专用保险丝 | 0CBO060.V | Littelfuse Inc. | 询价 |
||
35 | 暂无 | 电器专用保险丝 | 0CBO100.V | Littelfuse Inc. | 询价 |
||
36 | 暂无 | 电器专用保险丝 | 0CBO020.V | Littelfuse Inc. | 询价 |
||
37 | 暂无 | 电器专用保险丝 | 1E6PT5.5 | Littelfuse Inc. | 询价 |
||
38 | 暂无 | 电器专用保险丝 | 10NZ01SC | Altech Corporation | Y | 询价 |
|
39 | 暂无 | 电器专用保险丝 | 10NZ01GL | Altech Corporation | Y | 询价 |
|
40 | 暂无 | 电器专用保险丝 | 004750504 | Altech Corporation | Y | 询价 |