英语词汇“ppm”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	ppm
释义	Word Frequency ppm abbreviation for 1. chemistry parts per million 2. Also: PPM peak programme meter Word Frequency PPM medicine abbreviation for permanent pacemaker
随便看	aeroplane fabric aeroplane spin aeroplankton aeropulse aerosat aeroscope aeroshell aerosiderite aerosol aerosol can aerosolisation aerosolise aerosolization aerosolize aerosol spray aerospace aerosphere aerospike aerostat aerostatic aerostatical aerostatics aerostation aerostructure aerotactic

英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

ppm