Through survey of mine workings is an important work in the production.
巷道贯通测量是矿山生产中的一项重要工作。
This research has directive significance to the survey of gold quantity in the similar mine.
本研究对类似矿山中金量的测定具有指导意义。
This research has directive significance to the survey of gold quantity in the similar mine.
本研究对类似矿山中金量的测定具有指导意义。
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