radioactive fission gas放射性: radioactivity; activity; emi ...裂变: atomic fission; fission; nuc ...气体: gas; gaseous fluid放射性裂变产物: radioactive fission product; radioactivefi io roduct可裂变气体: fissionable gas下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:放射性裂变气体，即可在微信中查询翻译
