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underground air中文是什么意思

发音:  
用"underground air"造句"underground air"怎么读"underground air" in a sentence

中文翻译手机手机版

  • 井下空气
  • 矿内空气

例句与用法

  • The inspecting specification on safety technique for underground air compressors
    煤矿井下空气压缩机安全技术检验规范
  • Article 17 mining enterprises inspect the poisonous and harmful substances at the work sites and the percentage of oxygen in underground air to ensure that they meet safety requirements
    第十七条矿山企业必须对作业场所中的有毒有害物质和井下空气含氧量进行检测,保证符合安全要求。
  • Heating ventilation and dusting . air condition and smoke exhauting engineerings for industry and civil buildings design for underground air defence engineerings heat supply plan and design for a city or a region
    工业与民用建筑供热采暖工程通风除尘工程,空调与防排烟工程地下人防工程设计,城市自供热规划与设计。
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