随着能源需求量的不断增加，矿山建设项目势必增加，其主体工程井巷建设是一类比较特殊的工程。

With the increasing demand for energy, mining construction - project is bound to increase, and its main project is a kind of special Engineering.

youdao

随着能源需求量的不断增加，矿山建设项目势必增加，其主体工程井巷建设是一类比较特殊的工程。

With the increasing demand for energy, mining construction - project is bound to increase, and its main project is a kind of special Engineering.

youdao