发布时间:2025-01-20 23:56:21
顶楼暖气主管道放气应该开供水管那个放气阀。供热初期必须要排气,因为压力温度流量都不稳定,管道里存有大量的气。若听到管道里有哗啦哗啦的流水声,这也说明有气在管道里,要排气,排气最好的位置就是顶层的排气阀,排气要注意安全。
家用电器都要求接地如电脑冰箱洗衣机但我看电线只有两条线并没有地线是怎么回事
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