发布时间:2025-01-21 00:06:14
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。
我是装修工现在在临洮县装修一家医院现在我要回家老板不发工资不让回家怎么办
2025-01-21 00:06:14c30混凝土多久可以使用 quotc30混凝土适用期限多长时间quot
2025-01-21 00:06:14请朋友帮忙译一下面的英文谢谢是做科室的门牌用的 董事长总经理副总经理党务办办公室
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