reverse idler gear倒档中间齿轮;倒档惰轮;[机] 回动空转齿轮
planetary reverse reduction gear行星式可倒转减速器
reverse idle gear倒档惰齿轮;倒挡惰轮
reverse sliding gear倒车滑动齿轮
reverse idle gear shaft倒挡惰轮轴
reverse counter gear回动对齿轮
reverse coupling gear换向联接齿轮
Reverse II gear shift后退II档
reverse reduction gear box可倒转减速齿轮箱
N-VAR（有变体名词） The reverse gear of a vehicle is the gear which you use in order to make the vehicle go backward. 倒车挡; 倒挡