低速货车燃料消耗量限值及测量方法 (GB 21378-2015) Low-speed goods vehicle-Limits and measurement methods for fuel consumption 代替GB 21378-2008 发布时间: 2015-07-03 实施时间: 2015-10-01 阅读数量: (89) 标准分类: T 车辆