发布时间:2025-02-01 17:48:25
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。
我有一个cad地形图含有等高线如何利用ps和3dmax实现三维立体化介绍一下步骤越详细越好
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