发布时间:2025-02-01 23:39:36
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。
我想买一个双筒望远镜要性价比高一些经济低价的请高手帮助一下呗谢谢
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