Regasn.雷加斯regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）registrable resource可登记资源regenerative turbine回热式透平regenerative clipper再生限幅器regsegmental ileitis节段性回肠炎regulating diaphragm调节隔板regurgitant fraction反流分数regulative mechanism调控机制regenerative braking再生制动regulating apparatus调节器regenerative voltage再生电压