动力换档变速箱模型 power shift transmission model

动力换档变速箱前盖 power shift transmission front cover

双速动力换档变速箱 two-speed power shift transmission

动力换档变速箱齿轮 power shift transmission gear

翻修的动力换档变速箱 reconditioned power shift transmission

半自动动力换档变速箱 semiautomatic power shift transmission

动力换档变速箱操纵杆 power shift transmission control lever