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Adopts the above speed change device to fit different paper paper.
采用无段速度变换装置，适合不同纸张给纸。
youdao
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The device also has the function of speed change from high to low.
该装置还具有由高速向低速转换的功能。
youdao
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The device also has the function of speed change from high to low.
该装置还具有由高速向低速转换的功能。
youdao