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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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

Providing viewers with the ultimate in-home experience, the premium 4-Disc Blu-ray Combo Pack provides 5-unique ways to enjoy "Marvel's The Avengers" (on Blu-ray 3D, Blu-ray, DVD, Digital Copy and Digital Download of "Avengers Assembled" Music from and inspired by the film) and brings to life the Super Hero team-up of a lifetime in a whole new dimension on Blu-ray hi-def with stunning visual effects, superior sound and unparalleled bonus content.

ENGADGET: Marvel's The Avengers Blu-ray hits September 25th, iOS second screen app this month (video)

Dark of the Moon and the four-disc Blu-ray 3D, Blu-ray and DVD combo pack takes fans behind-the-scenes, across the U.S. and into the far reaches of space for a fully immersive entertainment experience.

ENGADGET: Transformers: Dark of the Moon clip breaks down shooting movies, special effects in 3D (video)