Install the upper side gear and clutch disc pack.

安装顶部侧齿轮和离合器片组件。

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Exchangeable disk storage: Refers to DisC pack storage used with mainframe computers.

可替换磁碟贮存：指大型电脑用的磁碟组贮存方法。

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When the moving heads of the disc drive are retracted, the disc pack can be removed and stored.

若把读写头缩入，就可以把磁碟组拿去及贮藏。

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WRECK- IT RALPH - Walt Disney Animation Studios announces the debut of the hit arcade-game-hopping adventure "Wreck-It Ralph" marking a Disney first with the early release of the HD Digital and HD Digital 3D on February 12, 2013, followed by the 4-Disc Blu-ray Combo Pack, 2-Disc Blu-ray Combo Pack, DVD, SD Digital and On-Demand release on March 5, 2013.

ENGADGET: Disney announces Wreck-It Ralph will arrive for download before DVD, Blu-ray

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