large diameter hole

基本解释

• [能源科学技术]大直径孔

英汉例句

双语例句

• This paper introduces the key point of design of club-footed pile in large diameter hole in soft earth base.
  文章介绍了选煤厂建筑在软弱土地基条件下大直径挖孔扩底的设计要点。
• High pressure ring-shaped DTH drills are key equipment for underground high level large diameter long hole mining.
  高气压环形潜孔钻机是地下矿山高阶段大直径深孔采矿的关键设备。
• What we have done in this paper is of great significance in designing the heavy rock drill to drill deep and large diameter hole.
  为大孔径深孔凿岩的重型液压凿岩机的研究与研发打下理论和实践基础。

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词组短语

短语

• large -diameter hole-excavating pile 大直径挖孔桩
• large diameter deep hole 大直径深孔
• large diameter pile hole 大直径钻孔灌注桩
• large diameter directional hole 大口径定向钻探
• large diameter inner hole 大直径内孔

• large diameter hole更多词组

专业释义

能源科学技术

• 大直径孔