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

单词	personal flotation device
释义	personal flotation device [网络] 漂浮训练用救生衣；救生圈；水上救生漂浮器
随便看	time-varying error time-varying field time-varying flux time-varying force time varying gain time varying gradient time-varying gradient time-varying linear element time-varying linear filter time-varying linear system time varying linear system time-varying load time-varying model time-varying network time varying parameter time-varying parameter time-varying parameter model time-varying parameters time-varying power spectrum time varying reactance time-varying reactance time varying reactivity time varying resistor time-varying resistor time-varyings 独木不林独木难支独来独往独树一帜独此一家，别无分店独步一时独步天下独步当世独步当时独清独醒校订校训校记校误校调校车校释校长校阅校际