well casing
短语词组
- Well perforated casing 有孔套管井
- well -casing protection 油井套管保护
- deep congeal well casing 深冻结井筒
- horizontal well casing 水平井套管
- oil well casing 油井套管
- oil -well casing 油井套管
- well casing starter 油井套管鞋
- Water well casing 水井套管
- Well casing window mill 发明名称 返回 well casing