The institute has completed more than 70 geological reports, involved minerals such aspyrite, calcium carbide limestone, bentonite, coal, fluorite, mirabilite and so on.
英
美
释义
为国家提交各类地质报告70余份,矿种涉及硫铁矿、电石灰岩、膨润土、煤炭、萤石、芒硝等矿产。
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