Heavy duty and semi-heavy duty vehicles and construction, bu

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Heavy duty and semi-heavy duty vehicles and construction, building, mining, and agriculture machin
Heavy duty and semi-heavy dutyvehicles and construction, building, mining, and agriculture machinery diesel engines- Criteria for fuel consumption and energy labeling instruction.
这是什么标准呀
和国标或者是ISO标准哪个对等呀？

重型和半重型车辆和机械,建筑、采矿、农业机械柴油发动机燃料消耗和能源标签指令标准.
再问：发动机相关的呢？

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