英语词汇“personal flotation devices”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	personal flotation devices
释义	personal flotation devices [网络] 人员漂浮设备；E级的安全要求；个人救生衣的正式名称
随便看	fixed retainer fixed retaining wall fixed retaining walls fixed reticle fixed reversing bucket fixed review cycle fixed ring fixed-ring lubrication fixed ring seal fixed rod fixed roentgen-ray apparatus fixed role therapy fixed roll fixed roller fixed roller bearing fixed roller gate fixed roll index fixed-roof oil tank fixed roof tank fixed roof type electric arc furnace fixed rotating stacker fixed round fixed route fixed-route demand service fixed routine 轖轗轘轙轚轛轜轝轞轟鑽鑽る鑽ル鑽仰鑽孔鑽火鑿鑿鑿井鑿岩