发布时间:2025-01-31 13:58:50
是的
一般是先把管路安装好,然后进行试验密封性,合格以后,进行预埋。
装修完毕,进行安装。
望能采纳
如何区分新古典主义、浪漫主义、唯美主义、自然主义四种风格的服
2025-01-31 13:58:50 2025-01-31 13:58:50 2025-01-31 13:58:50灯管露点吗宿舍的灯管太亮了像卸掉一个把开关换了直接拧灯管应该没事儿吧
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