waste steam meaning in Chinese

废汽
废蒸汽

Thermoacoustic prime mover is an absolutely new type of compressor . it has n ' t any moving part so it can work for a long period without maintenance . waste steam and solar energy can be used as its heating - resources so that it has many applications especially for the places having no electricity supply
热声驱动器是一种与常规机械式压缩机完全不同的新型驱动器，它没有机械运动部件，可使用低品位能源，具有结构简单、运行可靠、无维修工作时间长等优点。