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	career exploration career expo career fair career fairs career field career foreign service officer career girl career girls career goal career guidance career guide career-high career highlights career identity career indecisive career information system careering careeringly careerings career interest inventory (cii) career intervention careerism careerisms careerist careerists 蠓蠕蠖蠗蠘蠙蠚蠛蠜蠝ケイガイケイガクケイガンケイガンケイキケイキケイキケイキケイキケイキ