derrick substructure
基本解释
- 井架底座
英汉例句
- Have you fixed the derrick substructure in position?
井架底座固定好没有? - The tong counter-weights must not rest on derrick sub-floor, derrick substructure sills.
不能让大钳平衡铊靠到钻台下边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.
通过对石油钻机井架、底座无故障数据的可靠性评定,求得了不同时间状态下符合实际的可靠度。
双语例句
词组短语
- derrick k substructure 井架底座
- derrick and substructure 井架和底座
- k -derric and substructure 前开口形井架及其底座
短语
专业释义
- 井架底座
- 井架底座