单词	退化基本变量
释义	退化基本变量degenerate basic variable
随便看	external piles external pin wheel external pipe thread external plantar artery external plasma external plasticization external plate impedance external pluralism external point external polygon external popliteal nerve external power cable external power efficiency of semiconductor external power efficiency of semiconductor--laser external power receptacle external power supply external power unit external pressure external pressure test external prices external priority external priority interrupts external priority number external priority number--epn external priority number，epn