单词	effective lifetime
释义	effective lifetime 有效寿命
随便看	power engineering power engineering computing power enrichment system power enrichment valve power equalization power equalizer power equation power equation of common density effect power-equipment power equipment power equipments preaging power error power escalation power estimate power estimation power excavator power exchange power exchange (px) power excursion power excursion accident POWER.EXE power expansion power expense power expenses power exponent 当时轻别意中人当时送别当时雷雨寒当时驿舍当时齐女当春乃发生当昼暑气盛当昼火云生不得当有契余言者当此去救世主救世軍救出救助救命救国救急救急救命士救急箱救急車