This paper made a detailed research on the construction safety management from several different aspects.

本文在此从几个不同的方面对建筑施工安全管理做了详细的研究。

youdao

This paper made a detailed research on the construction safety management from several different aspects.

本文在此从几个不同的方面对建筑施工安全管理做了详细的研究。

youdao