连接器接头  connector adapter

衬管扶正器  liner centralizer

抽油杆扶正器  sucker rod centralizer

脆性扶正器  fragile centralizer

底部扶正器  bottom centralizer

多臂扶正器  multi-armed centralizer

扶正器  Centralizers; Centralizer; centering device; Stabilizer; sucker rod centralizer; SZ 36 - 1 oilfield in Bohai; lifter

扶正器叶片  centralizer lug

弓形弹簧扶正器  bow spring centralizer

弓形扶正器  bow type centralizer

弓形管柱扶正器  bow string centralizer

套管的螺旋形扶正器  coaxial spiral

套管扶正器  casing centralizer; Centralizer

旋流扶正器  swirl supporting device

叶片型扶正器  blade type centralizer

易卸扶正器  frangible centralizer

油管扶正器  tubing centralizer; Stabilizer

增抽扶正器  increasing production centralizer

撞杆扶正器  sinker bar guide