A: 我国第一个强制性标准为《乘用车燃料消耗量限值》
B: 该标准经国家质检总局和国家标准委员会批准发布
C: 该标准适用于以点燃式发动机或压燃式发动机为动力的汽车
D: 该类车最大设计车速大于或等于50km/h
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