two stage compressor 双级压气机 ; 两级压缩机 ; 二级压缩机

Two-stage compressor refrigeration 两级压缩制冷

two-stage rotary air compressor 二级旋转式空气压缩机

two-stage stationary air compressor 二级固定式空气压缩机

two-stage single-acting compressor 双级单作用压缩机

Two-stage reciprocal compressor 双级活塞式压缩机

two-stage air compressor 两级空压机 ; 双级空气压缩机 ; 二段空气压缩机

two stage air compressor 二级空气压缩机 ; 两级空气压缩机

two-stage rotary compressor 两级回转式空压机