well casing
短语词组
- Well perforated casing 有孔套琯井
- well -casing protection 油井套琯保護
- deep congeal well casing 深凍結井筒
- horizontal well casing 水平井套琯
- oil well casing 油井套琯
- oil -well casing 油井套琯
- well casing starter 油井套琯鞋
- Water well casing 水井套琯
- Well casing window mill 發明名稱 返回 well casing