加强矿山工程承包管理提高安全综合治理水平——矿山企业工程承包管理问题的探讨
가강광산공정승포관리제고안전종합치리수평——광산기업공정승포관리문제적탐토
To strengthen the mining project contracting management, and to enhance the safety production comprehensive administration -Discussion on mining enterprise project contracting management
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