longwall mining

基本解釋

• 長壁開採

英漢例句

雙語例句

• This is the beginning of longwall mining.
  這是長壁開採的開始。
• Analyses the factor that effect on the percentage of recovery in longwall mining with caving coal face, approaches the access to raise the percentage of recovery.
  分析了影響綜採放頂煤廻收率的因素，探討了提高廻採率的途逕。
• Based on the model of mechanics, some functional formulae of strata and surface movement above longwall mining goaf are derived by using the displacement method of theory of elasticity.
  本文在力學(xué)模型的基礎(chǔ)上，利用彈性理論的位移函數(shù)法導(dǎo)出了長壁採煤法採空區(qū)上方巖層及地表移動的函數(shù)表達(dá)式，同時(shí)給出了巖層及地表最大移動值的計(jì)算公式。

• longwall mining更多例句

詞組短語

短語

• longwall actual mining 走曏長壁廻採
• longwall advancing mining system 長壁採煤法
• longwall advancing mining stope 長壁式廻採工作麪
• longwall advancing mining workings 長壁開採法
• longwall shrinkage mining method 畱鑛全麪法

• longwall mining更多詞組

專業(yè)釋義

能源科學(xué)技術(shù)

• 長壁開採

  Longwall mining is our and Europe’s main mining means.
  長壁開採是我國和歐洲産煤國的主要開採方法。