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单选,1分] 综合机械化采煤与普通机械化采煤最主要的不同是：【】

A、采用单滚筒采煤机采煤

B、采用双滚筒采煤机采煤

C、采用综合液压支架支护顶板

D、采用刮板输送机运煤

时间：2021-09-03 16:18 关键词：联大河南理工大学采矿工程采矿学

答案解析

C@#@C

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