发布时间:2025-02-01 23:27:48
单台电机的熔断器熔体额定电流按电动机额定电流的1.5~2.5倍选择。多台电机的熔断器熔体额定电流按功率最大一台电机额定电流的1.5~2.5倍再加上其它电机的额定电流选择。
空气开关型号 DZ47-63-C20 380V~ 6KA 50HZ Multi9 C65N D16 Multi9 C45AD D10 这些都代表什么意思
2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48热镀锌后的螺栓下雨时候在棚子地下沾了点水怎么生锈了该怎么解决啊监理又要骂人了
2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48 2025-02-01 23:27:48