本SAE推荐实施规程确立了确定坡度停车性能的方法:a.停车制动系统锁定制动车轮的能力。b、 在斜坡上保持或滑动、满载或空载的拖车。c、 应用人工操作。d、 未燃烧或抛光的制动衬片摩擦条件。e、 下降和升级方向。

This SAE Recommended Practice establishes methods to determine grade parking performance with respect to:a. Ability of the parking brake system to lock the braked wheels.b. The trailer holding or sliding on the grade, fully loaded, or unloaded.c. Applied manual effort.d. Unburnished or burnished brake lining friction conditions.e. Down and upgrade directions.