derrick member

常見(jiàn)例句

雙語(yǔ)例句

• Derrick guy wire as the special supporting member of downhole derricks, its performance has much impact on the mechanical behavior of derricks.
  繃?yán)K作為作業(yè)井架的特殊支承構(gòu)件，其工作特性對(duì)作業(yè)井架的力學(xué)行為有較大影響。
• This program was pioneered by a CSDA contractor-member, Don Moroz of Derrick Concrete Cutting and Construction Ltd. , In Edmonton, Alberta, Canada.
  這個(gè)綱領(lǐng)，是國(guó)內(nèi)首創(chuàng)的美洲可持續(xù)承辦人、頓河莫羅茲混凝土切割井架和建設(shè)有限公司，埃德蒙頓加拿大艾伯塔省。
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