英语词汇“part per billion”的翻译、意思、用法、释义-英汉汉英词典

单词	part per billion
释义	part per billion {=ppb}十億分之一藥學part per billion {= ppb}十億分之一計量學名詞
随便看	phosphate retention phosphate rock phosphate rock-magnesium silicate glass phosphate rock-- phosphorite phosphate rock--phosphorite phosphate rock; phosphorite phosphates phosphate sand phosphate-schultenite phosphate softening phosphate-sugar chain phosphate tailing phosphate test phosphate treated mud phosphate treatment phosphatian allanite phosphatic phosphatic calculus phosphatic calculus; phosphatic stone phosphatic coating phosphatic deposit phosphatic fertilizer phosphatic guano phosphatic iron ore phosphatic limestone