发布时间:2025-01-31 13:04:58
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
氮气瓶上安有减压表和压力表请问怎么区分哪个是减压表哪个是压力表
2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58水电站排水廊道灯怎么安装廊道内墙壁和顶面都没作处理凹凸不平线管和灯具怎么固定
2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58 2025-01-31 13:04:58