retardvt.妨碍;迟延;拖住vi.受到延迟n.阻止;迟延;减速
retarder agent缓凝剂
retarder choke隔离扼流圈
retarded force减速力
retarding disk制动盘
retardant base阻火剂基地
retarded spark延迟点火
retarding foam阻化泡沫
retarding loss制动损耗
retarded child智力落后儿童
retard chamber延迟器<一种容积式装置