large-hole drilling

基本解釋

• [能源科學(xué)技術(shù)]大井眼鉆井

英漢例句

雙語例句

• Dealt with engineering examples, this paper discusses some features of air-lift reverse-circulation large hole drilling and existing main problems.
  結(jié)合工程實例，對大口徑氣舉反循環(huán)鉆進(jìn)特點及存在主要問題，進(jìn)行了探討；
• The entering-rock problem of pouring pile through large-diameter hole drilling is always the biggest difficult problem in the fundamental construction of Guangxi.
  大口徑鉆孔灌注樁的入巖問題，歷來是廣西基礎(chǔ)施工中的一大難題。

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詞組短語

短語

• Large diameter long -hole drilling 大直徑深孔鑿巖

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專業(yè)釋義

能源科學(xué)技術(shù)

• 大井眼鉆井