... back flow roll 小挤水辊;背辊 back flow side 传动侧，传动面 back flow stand 退纸架 ...
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back flow side
回流侧
以上为机器翻译结果，长、整句建议使用 人工翻译 。
At that time I very am perhaps lonely, at that time I very am perhaps free, but regardless of the humans affair how vicissitude, I still do pace back and forth side the memory perpetual flow.
也许那时候我很孤独，也许那时候我很自由，但无论世事怎样的变迁，我依然在记忆的长河边徘徊。
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