英语词汇“ball bearing”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	ball bearing
释义	ball bearing noun 1. a. : a bearing in which the journal turns upon loose hardened steel balls that roll easily in a race and thus convert sliding friction into rolling friction b. : any of the balls in such a bearing 2. : a bearing in which the disk of a watt-hour meter is mounted on a vertical shaft that rotates with minimized friction because of rolling action on a single steel ball between cupped jewels
随便看	push boat push bolt push broom push button push-button push-button yard push car pushcard pushcart pushchair push cycle push daisies push-down pushdown pushed pusher pusher pusher engine pusher furnace pusher grade pusher propeller pushers pushes push fit pushful

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