英语词汇sub-ppb怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	sub-ppb
释义	sub-ppb 简明释义十亿分之一以下网络释义 1 ?低于10 低于10-9的
随便看	rotating disintegrator rotating disk rotating disk analyzer rotating disk atomization rotating disk atomizer rotating disk contactor rotating disk drier rotating disk electrode rotating disk electrode rotating disk electrode voltammetry rotating disk extractor rotating disk extractor rotating disk field store rotating-disk friction generator rotating disk gage rotating disk gauge rotating-disk memory rotating disk meter rotating disk mill rotating disk oxygenator rotating disk viscometer rotating disperser rotating distributor rotating dog rotating double crank

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。