英语词汇main ballast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 ballast
释义	main ballast
随便看	springs out spring sowing spring sown cereal spring sown crop spring soybean spring space spring spacer bar spring spike spring spindle spring spline spring spoke steering wheel spring spool spring spore spring spreader spring squeak Spring Squill spring squills spring stack spring standing spring standing machanical seal spring standing mechanical seal Spring starter spring starting mechanism spring starting system spring static deflection