单词	等一等看
释义	等一等看 wait and see
随便看	natural circular frequence natural circular frequency natural circulate natural circulating natural circulating electrolyzer natural circulation natural-circulation natural circulation boiler natural circulation boiler reactor natural circulation evaporator natural-circulation evaporator natural-circulation heating natural circulation in reactor natural circulation kiln natural circulation line natural-circulation operation Natural circulation pressurized water reactor natural circulation reactor natural-circulation reactor natural circulation steam generator natural-circulation steam generator natural circulation system natural circulation waste-heat boiler natural circulation water-cooled reactor natural circulation water cooling