发布日期:2022-04-17 点击率:60
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1、常用低压断路器,热继电器,低压熔断器,漏电保护装置安装和接线.
2、异步电动机检查,异步电动机和单方向动行,可逆运行接触器控制.
3、异步电动机Y-减启动,自耦减压启动控制等接线.
4、灯具接线及安装。
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