All the rainwater on the roof runs into the pipe.
屋顶上的雨水都流入管道中。
Pipe roof support is an assisted method of shallow tunneling.
管棚支护是浅埋暗挖法施工中的一种辅助工法。
For the case of safety, its construction will adopt pipe-roof culvert box jacking method.
为慎重起见，拟采用管幕保护下的顶进法施工。
For the case of safety, its construction will adopt pipe-roof culvert box jacking method.
为慎重起见，拟采用管幕保护下的顶进法施工。
应用推荐