The invention simultaneously provides a method for accurately settling down the wellsinking structure into the ground.
本发明同时提供将沉井结构准确沉入地面的方法。
2
The oil workers are sinking a well.
石油工人正在打油井。
3
Within the protection zone for a water project, any act of blasting, sinking a well, quarrying rock, and collecting earth, which endangers the safety of the water project, shall be prohibited.