Regasn.雷加斯regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regenerative heating交流换热regenerating furnace再生炉regenerative divider再生分频器regenerative chamber再生内胎regenerative cooling再生冷却regulatory mechanism调节机制regenerating grasses再生草registration of ships[经] 船舶注册, 船舶登记regenerative isotopes再生同位素registration contract登记契约