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	average costs average count average crack spacing average crack width average critical value method average cross section average cross section average current average current drain average current of charging train average current of feeding section average current of train average current pulse responses average curvature average cycle time averaged average daily balance average daily balance method average daily calling rate average daily consumption of water average daily cost average daily flow average daily gain average daily kilometrage of locomotive average daily locomotive kilometers

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。