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日本一家发动机公可已研究出一种陶瓷柴油发动机原型机,几乎比常规柴油机减少50%的燃料消耗。陶瓷用在盖部衬垫,盖部
A Japanese engine maker has already developed a ceramic diesel engine prototype that consumes about 50% less fuel than a conventional diesel engine. Ceramic used in the lid liner, cover