英语词汇four ball apparatus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	four ball apparatus
释义	four ball apparatus 简明释义四球机网络释义短语 1 four-ball l bearing apparatus 四球试验机
随便看	snap point snappy snappy dough snappy return snappy rubber snappy spring cover Snappy Video Snapshot snap reading method snap remover snap resolution snapring snap ring snap ring ball bearing snap ring bearing snap-ring bearing snap-ring driver snapring expander snap ring extractor snap ring groove snap ring groove snap ring groove depth snap ring groove diameter snap ring groove width snap-ring internal snap ring internal

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。