• 采掘面末端矿井坑道工作在继续。

    The end, as of a mine or tunnel, at which work is advancing.

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  • 乘着舒适的小型巴士行驶公里后,我们来到355煤矿采掘

    We drive 10 kilometres in a comfortable minibus to the pit face, 355 metres below the surface.

    youdao

  • 采掘工作放炮CO传感器显示体积分数实际值相比较显示值偏原因进行了分析,同时提出综合性防范措施

    The cause of the high display value of CO sensor after blasting in driving or mining faces is analyzed, and the comprehensive measures are put forward.

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  • 但是由于煤矿井下采掘工作使用电气设备控制设备,必须隔爆型本质安全型设备。

    As the use of coal underground mining face of electrical equipment and control equipment, must be flameproof or intrinsically safe type equipment.

    youdao

  • 介绍综采工作沿空留方法提高采区资源回收率缓解采掘关系紧张问题

    This paper introduces comprehensivelg to adopt in working range leaving lane method to raise rate of recovery of resource, to alleviate and to excavate the tense problem of the relation.

    youdao

  • 采掘工作煤矿事故多发地点

    The mining and excavation faces are the places of many mine accidents occurred often.

    youdao

  • 适用甲烷矿井煤层采掘工作

    Suitable for the coal mining workplace with little methane inside.

    youdao

  • 适用瓦斯矿井煤层采掘工作掘进工作爆破作业

    Suitable for the coal mining blasting work of mines with little gas inside and the blasting work of half coal rock mining.

    youdao

  • 确保采掘平衡工作布局合理

    To ensure that the extraction equilibrium, with working rationally;

    youdao

  • 确保采掘平衡工作布局合理

    To ensure that the extraction equilibrium, with working rationally;

    youdao

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