English translation for "方钻杆下旋塞阀"

lower kelly cock

Related Translations:

中空钻杆:  hollow drill string

钻杆扳手:  hand dogrod wrench

轻型钻杆:  lwdp

钻杆垫板:  tube support

提出钻杆:  strithe drill pipe

空心钻杆:  hollow boring rodhollow drill rodhollow drill shankhollow drill steelhollow rodhollow stemhollow-drill shankhollow-drill steel

组合钻杆:  sectional rod

助钻杆:  sinker bar

钻杆钻进:  rod boringrod system drillingrodboring

钻杆座:  safety chuck

Similar Words：

"方钻杆矫直器" English translation, "方钻杆接头" English translation, "方钻杆上旋塞" English translation, "方钻杆鼠洞" English translation, "方钻杆套管" English translation, "方钻杆旋塞" English translation, "方钻杆旋转器" English translation, "方钻杆用鼠洞" English translation, "方钻铤" English translation, "方座地灯" English translation