coal mine blasting 中文意思是什麼

coal mine blasting 解釋
煤礦爆破
  • coal : n 1 煤，煤塊，煤堆。2 〈pl 〉〈美國〉（一堆）燒紅的煤。3 〈常 pl 〉〈英國〉（幾塊）供燃燒的煤。4 ...
  • mine : pron 1 〈I 的物主代詞〉我的（東西），我的家屬，我的親戚。 The book is mine 這本書是我的。 He was ...
  • blasting : 爆破工程
  1. The selection of primary parameters of demolishing the foundation of air compressor in the coal mine by static fragmentation measure, implementation method and blasting results are presented

    摘要介紹了用靜態破裂法拆除煤礦空壓機基礎的主要參數選取、施工方法及破碎效果。
  2. Considering cast blasting was to be carried in one internal coal surface mine, the cast blasting parameters, pre - splitting blast parameters, types of explosive and construction of charge were studied based on overseas examples

    摘要針對國內大型露天煤礦要採用高臺階拋擲爆破技術，根據國外的事例經驗，詳細研究了高臺階拋擲爆破參數、預裂爆破參數、炸藥類型和裝藥結構。
  3. Anti - collapse equipment of roadway support excavated by blasting in wangzhuang coal mine

    炮掘巷道工字鋼棚防倒裝置的研製
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