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50多年前,Cat（卡特彼勒）凭借生产第一代柴油机的高超工艺开发了第一代天然气发动机。面对全球范围的变得越来越严格的排放标准,Cat采取的对策是实施一系列
More than 50 years ago, Cat developed the first natural gas engine with its superb technology for the first generation of diesel engines. Faced with the increasingly stringent emission standards around the world, Cat’s response is to implement a series of