戴姆勒和其他汽车制造商，像几家大石油公司一样，一直在研究开发他们自己的直接应用甲醇的燃料电池。
Daimler and others have been doing their own research on direct methanol fuel cells, as have major oil companies.
戴姆勒和其他汽车制造商，像几家大石油公司一样，一直在研究开发他们自己的直接应用甲醇的燃料电池。
Daimler and others have been doing their own research on direct methanol fuel cells, as have major oil companies.
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