countershaft gear bearing 副轴齿轮轴承 ; 副轴齿滑轮承 ; 副轴齿轮

countershaft gear cluster bearing 副轴齿轮组轴承

countershaft gear cluster 副轴齿轮组

transmission countershaft gear 变速箱中间轴齿轮

countershaft drive gear 副轴传动齿轮

countershaft fifth speed gear 中间轴五档齿轮

countershaft intermediate gear 副轴中间齿轮

countershaft low gear 中间轴下齿轮

countershaft over-drive gear 副轴超速齿轮