• Moreover, it is pointed out that developing new safety technique device of prompt interruption will promote safety technique level of coal mine in China.

    同时指出开发新型快速断电安全技术装置大大提高我国煤矿安全技术水平

    youdao

  • The paper states the present status of thick seam mining and safety technique in foreign country and technique level of that in China.

    介绍国外煤层开采安全技术现状国内厚煤层开采技术国际上的水平

    youdao

  • In the paper, it analyzes model marine technique which effect lookout, puts forward some prevention counter measures, in order to improve the level of lookout, ensure the safety of sailing at sea.

    分析现代航海技术望的影响提出一些预防措施提高水平确保航行安全

    youdao

  • In the paper, it analyzes model marine technique which effect lookout, puts forward some prevention counter measures, in order to improve the level of lookout, ensure the safety of sailing at sea.

    分析现代航海技术望的影响提出一些预防措施提高水平确保航行安全

    youdao

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