施工现场地基坚实是保证吊车站位和吊装施工的前提条件。

Solid foundation on - the - spot is prerequisite condition to guarantee of operation.

youdao

施工现场地基坚实是保证吊车站位和吊装施工的前提条件。

Solid foundation on - the - spot is prerequisite condition to guarantee of operation.

youdao