新建突出矿井设计生产能力不得低于()Mt/a,第一生产水平开采深度不得超过()m;生产矿井延深水平开采深度不得超过()m
A.0.9 1000 1200
B.1.2 800 1200
C.0.9 800 1200
D.1.2 1000 1200
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正确答案: C 答案分析:无
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