英语词汇“p.p.b.”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	p.p.b.
释义	p.p.b. abbr. (=parts per billion)十亿分之一 [网络] 采购员
随便看	pumped-hydro pumped hydroelectric storage pumped hydro storage pumped in pumped into pumped iron pumped it pumped level pumped medium pumped out pumpedrectifier pumped rectifier pumped robe pumped-storage pumped storage pumped-storage aggregate pumped-storage development pumped-storage hydro capacity pumped-storage hydroelectric plant pumped storage hydroelectric plant pumped-storage hydroelectric power station pumped-storage hydroelectric station pumped-storage hydroplant pumped-storage hydro-unit pumped storage index 㱃㱄㱆㱇㱈㱊㱋㱌㱍㱎 desk work desperate dessert dessin detail detail detente detox deuce deuce