Developing external markets in downhole service requires well workover operators' higher quality.

井下作业外部市场的开拓，对修井作业员工的素质提出了较高的要求。

youdao

Developing external markets in downhole service requires well workover operators' higher quality.

井下作业外部市场的开拓，对修井作业员工的素质提出了较高的要求。

youdao