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	conversion zone conversion zone of fast reactor conversive conversive disorder conversive heat conversive heating conversively conversivity converso conversoes conversos conversus convert convertabilities convertability Conver-table Convertal convertal process convertance convertant convert a penalty kick convertaplane convertaplanes convertase convertases 2534251 25342511 253425111 253425121 253425133 253425135 253425221 253425331 253425334 25342534 尸骸尹尺尺尺中尺书尺八尺动脉尺土尺地