longhole

基本解释

• 深(炮)眼

同根派生

英汉例句

• Large-diameter longhole blasting was used to excavate soil-rock in some engineering project.
  某工程的土石方开挖采用大直径深孔爆破方式。
• This paper briefly intro-duced the practice of longhole blast shaft-formirg method for blind shaft sinking in Tongshan Copper Mine.
  本文简要介绍了深孔爆破成井法在铜山铜矿盲竖井掘进中的实践。
• The blasting technique of vertically parallel and dense bunch longhole is a new ore breaking technology.
  垂直平行密集束状深孔爆破技术是一种新的崩矿技术。
• In recent years,severe rock fall occur in stopes with large-diameter longhole mining in Tonglushan Copper-iron Mine.
  近年来,铜绿山铜铁矿深孔采场出现了严重的垮塌。
• The sectional cutting method is effectively applied to longhole raising but less applied to tunnel heading.
  分段掏槽法已在深孔爆破掘进天井运用中取得一定效果，而在平巷掘进中运用却未予以足够的重视和研究。