slip-type elevator for deep-well drilling rods
【建筑】带有深井转杆的滑动式升降机
slip-type elevators with deep-well drilling rods
暂无补充释义。
相关词条
slip-type expansion joint
slip-type elevators with deep-well drilling rods
暂无补充释义。
slip-type elevator for deep-well drilling rods
slip-type expansion joint