词汇	Change gear system
释义	Change gear system 挂轮系统
随便看	retarding period retarding phase retarding potential retarding potential analyzer Retarding Potential Difference retarding potential difference technique retarding potential energy analyzer retarding potential method retarding potentials retarding potential technique retarding reservoir retarding rield tube retarding rocket retarding rocket engine retarding rope retarding solvent retarding spark retarding spring retarding spring stem retarding stage retarding superplasticizer retarding swelling particles retarding system retarding system cosmonautic vehicle retarding system, mechanical elevatorlift