buffer and draw gear造句

例句与造句

1. State of railway vehicles - superstructure and special equipment of vehicles - part 2 : buffing and draw gear
   铁路车辆状态.车辆的上层结构和特殊设备.第2部分:减
2. It's difficult to find buffer and draw gear in a sentence. 用buffer and draw gear造句挺难的