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正常情况下关掉暖炉拔掉电线测量的话,压力开关应该为闭合状态,电阻为0是吗?如果拔掉电线测量压力开关电阻很大,是不是就肯定是开关坏了?

dongji (冬季阳光)
(#11807307@0)
2018-11-22 -04:00
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