英语词汇principal extension ratio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	principal extension ratio
释义	principal extension ratio
随便看	settling position settling pot settling price settling process settling promotor settling property settling quality settling rate settling ratio settling reservoir settling rounds settling sand settling section settling separation settling solid settling speed settlings settling sump Settling tank settlingtank settling TANKS settling tank with compartments settling tank with scrapers settling tank with several outlets settling tant

英汉双解词典包含3607232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。