本标准规定了运输某些列出的低温液体的道路罐车的设计和建造要求。它规定了专门设计和建造为公路油罐车的车辆，或配备可运输油罐的常规卡车，用作油罐车。

This Standard specifies requirements for the design and construction of road tankers for the transport of certain listed cryogenic liquids. It provides for vehicles which are specifically designed and constructed as road tankers, or which are conventional trucks provided with transportable tanks for use as tankers.