本文件规定了检查ISO 21266-1中规定的最低安全要求的试验方法。本标准适用于燃料系统的功能，该燃料系统设计用于ISO 3833中定义的机动车压缩气态氢和氢/天然气混合物。 有关单个部件的测试，请参考ISO 12619、ISO 16380、ISO 17268、ISO 19881[1]和ISO/TS 15869的适用部分 [1] 正在准备中。出版时的阶段:ISO/FDIS 19881。

This document specifies the test methods for checking the minimum safety requirements specified in ISO 21266？1. It is applicable to the functionality of the fuel systems designed to operate on compressed gaseous hydrogen and hydrogen/natural gas blends of motor vehicles as defined in ISO 3833. For tests of individual components, refer to the parts of ISO 12619, ISO 16380, ISO 17268, ISO 19881[1] and ISO/TS 15869 as applicable [1] Under preparation. Stage at the time of publication: ISO/FDIS 19881.