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	water sealed packing water-sealed packing water sealed producer water-sealed retaining wall water sealed rotary gas meter water-sealed rotary gas meter water sealed spirometer water-sealed tank water sealed tank water sealed valve water seal gland water-sealing water seal(ing) water sealing water sealing cap water-sealing gas holder water sealing gas holder water sealing pipe water-sealing ring water seal ioint water seal packing water seal ring water seal scupper water seal (siphon), water flushing water seal tank

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protoactinium