驱动桥的结构主要由壳体、()、半轴、轮边减速器及轮胎轮辋总成等组成。
参考答案:主传动器
As long as you are sure this plan works, you should ____ with it, whatever happens.
A.break up
B.be careful
C.go ahead
D.come up
三角门式吊架由底盘、互架、无梁、吊蓝、卷扬机及搁式保险和自装扣杆等部件组成。()