设计了燃料电池城市客车动力系统并对其进行了试验研究。
The power system of a fuel cell city bus was designed and its experimental study was carried out.
所研制的变换器已经成功地应用在国内多辆燃料电池城市客车中，各项技术指标均满足使用要求。
The developed converters are successfully used in home-made fuel cell city buses with all technical indicators meeting operation requirements.
所研制的变换器已经成功地应用在国内多辆燃料电池城市客车中，各项技术指标均满足使用要求。
The developed converters are successfully used in home-made fuel cell city buses with all technical indicators meeting operation requirements.
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