slip-type elevator for deep-well drilling rods
【化】 套筒式补偿器; 套筒式涨缩器
slip-type expansion joint
暂无补充释义。
相关词条
slip-type elevators with deep-well drilling rods
slip-type expansion joint
暂无补充释义。
slip-type elevator for deep-well drilling rods
slip-type elevators with deep-well drilling rods