空气缓冲间 (空氣緩衝間) kōngqì huǎnchōng jiān
          
              kōngqì huǎnchōng jiān 
              
              set phrase 
              air lock 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: (CC-CEDICT '空氣緩衝間')