英语词汇permanent ballast tank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	permanent ballast tank
释义	permanent ballast tank 简明释义固定压载舱网络释义 1 ?固定压载舱固定压载舱 2 ?永久性压载舱永久性压载舱
随便看	gradational polymer gradational zone gradation, color gradation composition gradation control plant gradation curve gradation cut gradation etching gradation factor gradation for surface pollution gradation in size gradation method gradation numbers gradation of age classes gradation of crime gradation of grain gradation of grey gradation of image gradation of insulation gradation of moisture gradation of test gradation of the fire safety gradation of tone gradation period gradations

英汉双解词典包含3185865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。