最终传动桥唇形密封
final drive axle lip seal
不正确的最终传动润滑油油面
incorrect final drive oil level
最终传动排油塞
final drive oil drain plug
最终传动外轴承
final drive outer bearing
最终传动外轴承保持架
final drive outer bearing cage
最终传动箱台肩
final drive case shoulder
最终传动小齿轮法兰
final drive pinion flange
最终传动行星齿轮架
final drive planet carrier