英语词汇“ballast engine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ballast engine
释义	ballast engine noun : a steam engine used in excavating and for digging and raising stones and gravel for ballast
随便看	polar curve polar distance polar equation polar fox polar front polar graph polar hare polar lake polar lights polar maritime air polar nucleus polar ox polar plant polar projection polar ray polar telescope polar triangle polar valence polar whale polarer polares polarest polaric polarimeter polarimeters

英语词典包含469781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。

ballast engine