英语词汇ppm是什么意思，ppm的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	ppm
释义	WORD PARTNERSHIP 词语搭配 air with 50 ppm nitrogen dioxide 含 50ppm 二氧化氮的气体牛津商务
随便看	destructive read destructive read operation destructive read-out destructive reading destructive readout memory destructive stimulus destructive storage destructive test destructive test(ing) destructive testing destructive testing method destructive vibration destructively destructively destructively destructiveness destructiveness destructiveness destructivity destructor destructor destructors destructors destructuralize destructure

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。