求翻译：融合了传统燃油汽车和纯电动汽车优点的混合动力汽车（HEV）因其高燃油经济性和低排放，成为目前各国汽车行业关注的重点和商品化主流是什么意思？

Blend of traditional fuel vehicles and pure electric vehicles, the advantages of hybrid electric vehicle (HEV) because of its high fuel economy and low emissions, the focus of the national automotive industry and the commercialization of mainstream

Combining the traditional fuel car and pure electric vehicles benefits of hybrid cars (HEV) due to its high fuel economy and low emissions, and become a national automobile industry focus and commercialization mainstream

Because fused the traditional fuel oil automobile and pure electric automobile merit mix power automobile (HEV) its high fuel oil efficiency and the low emissions, becomes the present various countries automobile profession attention the key point and the commercialized mainstream

Combination of traditional cars advantages of hybrid cars and pure electric vehicles (HEV) because of its high fuel economy and low emissions, becoming the national automobile industry focus and commercial mainstream

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