mine safety law的意思|示意
矿山安全法
mine safety law的网络常见释义
矿山安全法 ... 不完全爆炸uncomplete explosion 矿山安全法mine safety law 空炮blown-out shot ...
mine safety law相关短语
1、 coal mine safety law 煤矿安全法
mine safety law相关例句
In-depth analysis of accident law combined with the characteristics of coal mine industry is an urgent need of safety production of coal mine industry in China.
结合我国煤矿行业的特点，深入分析事故的发生规律，是当前煤矿行业生产安全迫切需要解决的问题。