twin countershaft transmission 双中间轴变速器
countershaft transmission valve group 中间轴传动阀组件
sliding gear countershaft transmission 带滑动齿轮中间轴变速器
constant-mesh countershaft transmission 带中间轴的常啮合式变速器
transmission countershaft 传动箱中间轴 ; 变速器中间轴
transmission countershaft gear 变速箱中间轴齿轮
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