slip-type elevator for deep-well drilling rods
【运输】电梯缓冲停止器、缓冲器
elevator buffer-stop, buffer
暂无补充释义。
相关词条
lift/elevator
elevator【解剖】;levator【解剖】;levator muscle【解剖】
returning of controlling lever to its neutral position elevator (lift)
hydraulic rope-geared elevator【机】
elevator control (flipper) aircraft
skull elevator
bed elevator