Preper attended a start-up firms competition held in Shenzhen, Guangdong Province for his patented heat engine, which can be used in steel mills, power plants and solar energy plants.
Preper准备参加一个广东深圳举行的创业企业大赛，他的专利-热引擎，可用于钢厂，发电厂和太阳能发电厂。
Preper attended a start-up firms competition held in Shenzhen, Guangdong Province for his patented heat engine, which can be used in steel mills, power plants and solar energy plants.
Preper准备参加一个广东深圳举行的创业企业大赛，他的专利-热引擎，可用于钢厂，发电厂和太阳能发电厂。
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