河北福彩20选5开奖结果查询

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广通电子 > 新闻资讯 > 拉绳开关卡住的原因和解决方法是什么
拉绳开关卡住的原因和解决方法是什么
编辑 : 时间 : 2019-02-28 09:35 浏览量 : 31


拉绳开关卡住的原因很常见,首先,弹簧的力量减弱,弹簧可以调节,弹簧的两端可以固定,其次,由于长时间不使用,弹簧会生锈,摩擦阻力大且卡住,当拉绳开关卡住时,首先拉动家用线路的刀片开关或将电桥从保险丝中拔出,切断电源然后进行维护,拧下拉绳开关盖,仔细检查卡住开关的原因,卡住拉绳开关堵塞有两个常见原因。


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