同义词
1)REAPS Rotary Engine Anti-Pollution System,回转式发动机废气净化装置2)exhaust air systems,废气净化装置3)uncontrolled engine,无净化装置发动机4)exhaust after-treatment device,废气后处理净化装置 EATD5)purification of volatile organic compounds,挥发性有机废气净化6)turning gear,盘车装置，转动机构，旋转装置，回转装置
