词汇	clean system
释义	clean system 洁净系统
随便看	general preferential duties general preferential duties system general preferential duty general preferential system general preferential tariff general preferential treatment general preprocessor general press general pressing superposition techniques general pressure general pressure drop general pressure testing general prevention General prevention theory general preventive general preventive medicine general price general price charged general price increase general price index general price index for purchases general price index of retail sales general price level general price level accounting general price level adjusted accoun ting