To supplement the use of mining systematic engineering with value engineering is the best policy to improve social and economic benefits of the comprehensive utilization of mineral resources.
矿业系统工程与价值工程相辅并用，是大力提高矿产综合利用的社会经济效益的最佳对策。
To supplement the use of mining systematic engineering with value engineering is the best policy to improve social and economic benefits of the comprehensive utilization of mineral resources.
矿业系统工程与价值工程相辅并用，是大力提高矿产综合利用的社会经济效益的最佳对策。
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