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
今日热词
目录 附录 查词历史