英语词汇“protoactinium”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	protoactinium
释义	protoactinium 英?[?pr??t??'?kt?n??m] 美?[?pro?to?'?kt?n?rm] 释义 n. 镤英英释义 Noun 1. a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead 行业词典医学镤：同protactinium???
随便看	internal,lumbocostal arch of diaphragm internal lumbocostal arch of diaphragm internally internally amplifing detector internally blown flap internally blown flap (ibf) internally caused contact chatter internally coated bulb internally coated line pipe internally coherent internally compensated inactive compound internally-compensated operational amplifier internally compensated operational amplifier internally cooled drill internally cooled nozzle internally cooled reactor internally cooled slug internally cooled supercharging internally-created party internally diffused junction internally displaced person internally displaced persons internally-driven internally-engaging brake internally-engaging brake (inside shoe brake)

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protoactinium