铆接底盘车架
undercarriage pin-on frame
框架车车架
Frame of lift platform carrier vehicle
货车车底
the underside of the truck
汽车底盘测功机
automobile chassis dynamometer
汽车底盘漆
water-born paint for car chassis
汽车底盘轻量化
auto chassis light-weighting
汽车底盘润滑脂
automobile chassis grease