-
Workover machine rig is very important equipment in workover process of petroleum engineering.
在石油工程修井过程中,修井机是非常重要的作业机械。
youdao
-
Workover machine rig is very important equipment in workover process of petroleum engineering.
在石油工程修井过程中,修井机是非常重要的作业机械。
youdao