英语词汇ppm (parts per million)的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	ppm (parts per million)
释义	ppm (parts per million) 翻译 ppm（百万分之一）
随便看	peak electrode current peak elution volume Peake, Mervyn peak emission wavelength peak-emission wavelength Peak Empting Rate Peake, Mt. peak energy peak energy measurement peak enhancement factor peak enrichment peak enthalpimetry peak enthalpy peak envelope power peak-envelope power of radio transmitter peak epicardial excitability threshold peak-equivalent sound pressure level peak equivalent sound pressure level peaker peak ergion peak error peakers peakest peaketh peak excursion

英汉双解词典包含4367426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。