基本解釋井架底座英漢例句雙語(yǔ)例句Have you fixed the derrick substructure in position?井架底座固定好沒(méi)有？The tong counter-weights must not rest on derrick sub-floor, derrick substructure sills.不能讓大鉗平衡鉈靠到鉆臺(tái)下邊或井架底座上不起作用。blog.sina.com.cnThe degree of reliability of rig derrick and substructure in different time is obtained by means of reliability evaluation of the zero failure data.通過(guò)對(duì)石油鉆機(jī)井架、底座無(wú)故障數(shù)據(jù)的可靠性評(píng)定，求得了不同時(shí)間狀態(tài)下符合實(shí)際的可靠度。derrick substructure更多例句詞組短語(yǔ)短語(yǔ)derrick k substructure 井架底座derrick and substructure 井架和底座k -derric and substructure 前開(kāi)口形井架及其底座derrick substructure更多詞組專業(yè)釋義能源科學(xué)技術(shù)井架底座地球科學(xué)井架底座