英语词汇main roll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

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。

单词	main roll
释义	main roll
随便看	automatic thyroid retractor automatic ticket checker automatic ticket issuing machine automatic tidal gauge automatic tide gage automatic tide gauge automatic tiler automatic tiller automatic time announcing device automatic time compensator automatic time correction automatic time corrector automatic time cycle automatic time difference circuit automatic timed magneto automatic timed recall automatic time element compensator automatic timer automatic time release automatic time starting automatic time step control automatic time switch automatic timing apparatus automatic timing circuits automatic timing corrector