定义可运输质量的分布，并指定乘客的常规平均质量和行李的常规质量。由此定义的总质量代表给定车辆的标称设计有效质量。适用于ISO 3833中定义的乘用车。

Defines the distribution of the transportable mass and specifies a conventional average mass for passengers and a conventional mass for luggage. The total of the masses thus defined represents nominal design pay mass for a given vehicle. Applies to passenger cars as defined in ISO 3833.