This paper mainly expounds problems paid attention to in plaster balance top pipe construction technology.

文章对泥水平衡法顶管施工工艺中应该注意的几个问题作了主要阐述。

youdao

This paper mainly expounds problems paid attention to in plaster balance top pipe construction technology.

文章对泥水平衡法顶管施工工艺中应该注意的几个问题作了主要阐述。

youdao