assistant driller的意思|示意
美 / /
英 / /
[油气] 副司钻
assistant driller相关短语
1、 AD assistant driller 副司钻
assistant driller相关例句
Do you understand? Call the assistant driller ( A . D . ) or derrickmen down to help us.
明白了 吗 ?叫副司钻或井架工下来帮忙.
互联网