对于失修巷道要及时安排维修,维修失修巷道开工前必须认真制定安全技术措施,严格按措施()进行维护。...
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碎矿机停车时,必须按照生产流程顺序进行停车。首先一定要(),待破碎腔内的矿石()排出以后,再停碎矿机和()。...
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填空题为确保机器的正常运转,不允许不熟悉()的人员单独操作碎矿机。...
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采煤工作面的工作空间支护与采空区处理工作的总称叫顶板管理。...
Thursday, September 22, 2022
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单选题单位矿块的()表示法习惯用平均直径表示。A 颗粒B 大小C 粒度...
Tuesday, April 23, 2024
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判断题进入风机内作业,可以不用办理《进入受限空间作业许可证》。A 对B 错...
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