英语词汇p.p.m.的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	p.p.m.
释义	p.p.m. 释义 abbr. parts per million 百万分率，百万分之… 大小写变形:P.P.M.
随便看	drift period drift phenomenon driftpiece Driftpile drift pillar drift pin drift-pin driftpin driftpins drift pipe drift plate drogue drift plug drift pole drift pressure of control system drift punch drift rate drift reading drift reamer drift recorder drift region Drift-road driftroad drift, roadway drifts drift sail

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。