derrick substructure
基本解釋
- 井架底座
英漢例句
- Have you fixed the derrick substructure in position?
井架底座固定好沒有? - 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下邊或井架底座上不起作用。
blog.sina.com.cn - The degree of reliability of rig derrick and substructure in different time is obtained by means of reliability evaluation of the zero failure data.
通過對石油鉆機井架、底座無故障數(shù)據(jù)的可靠性評定,求得了不同時間狀態(tài)下符合實際的可靠度。
雙語例句
詞組短語
- derrick k substructure 井架底座
- derrick and substructure 井架和底座
- k -derric and substructure 前開口形井架及其底座
短語
專業(yè)釋義
- 井架底座
- 井架底座