An excavator whose bucket is rigidly attached to a hinged pole on the boom and is drawn backward to the machine when in operation.

  • 反铲挖土机铲叶牢固地连在吊杆上的铰链孔中的一种挖土机,当它处于工作状态时,铲叶被向后拖向机器
目录 查词历史