A belt typically is used on engines with overhead-cam valve trains.
A belt typically is used on engines with overhead-cam valve trains.
皮带一般与顶置凸轮阀门传动一起被用在发动机上。
A belt typically is used on engines with overhead-cam valve trains.
皮带一般与顶置凸轮阀门传动一起被用在发动机上。