活塞杆: piston rod擦: rub圈: circle; ring活塞杆: cylinder rod; piston connecting rod; piston driver; piston rod双活塞杆活塞: two rod piston泵的活塞杆: bucket rod单环活塞杆: single eye piston rod单面活塞杆: simple piston rod高压活塞杆: high-pressure piston rod活塞杆导承: piston guide; piston rod guide活塞杆导件: steguide; stepguide活塞杆端: tailpiece of the piston rod活塞杆盖: piston rod cap活塞杆接头: piston rod attachment活塞杆螺母: piston rod nut; piston stem nut活塞杆密封: piston rod packing; rod bearing seal; rod seal活塞杆腔: rod end chamber活塞杆栓: piston rod cotter活塞杆套圈: piston rod swab holder活塞杆凸缘: piston rod flange活塞杆推力: piston rod thrust活塞杆销: piston rod pin活塞杆压盖: piston rod gland活塞杆制销: piston rod cotter活塞杆毂: piston rod boss
