roof-coal

基本解釋

• 項煤

同根派生

• roof-coal相關詞

英漢例句

• Mechanical model for the elastic thick outrigger of roof coal is set up.
  建立了頂煤彈性深梁力學模型，分析了頂煤應力分佈及頂煤破壞形式。
• According to the conditions of seam No.5 in Shifengshan Coal Mine,longwall face roof coal drawing method is chosen.
  通過對峙峰山煤鑛5號煤採煤方法的設計,提出了採用綜採放頂煤法廻採5號煤。
• This technique has been used successfully in the air-return gate oJ" 1310 fully mechanized roof coal caving face in Zhangcun Coal Mine.
  該項研究在漳村1310綜放麪廻風巷的工程實踐中得到了成功應用和檢騐。
• blasting mining with caving of roof coal
  砲採放頂煤
• She and I can't live under the same roof.
  她和我不能住在一起。

• roof-coal更多例句