pumping rod
短语词组
- oil pumping with rod 有杆抽油
- pumping by rod pump 杆式抽油泵
- pumping with rod 有杆泵
- pumping sucker rod 抽油杆
- pumping rod diameter 杆径
- coiled pumping rod 连续抽油杆
- hollow pumping rod production 空心杆采油
- continuous pumping rod 连续抽油杆
- double hollow pumping rod 双空心杆 返回 pumping rod