接着用蒙版或橡皮工具(e)消除边缘。

Then hide the borders using a Mask or the Eraser Tool (e).

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本文主要讲述了印刷书写用纸、油墨、PS版、电化铝、印刷感光胶片、印刷橡皮布和印刷胶辊等七种主要印刷器材产品的出口情况。

The essay makes a summary about seven graphic systems ex-portion of printing sheets, ink, PS plate, electrical aluminum, printing films, printing blanket and printing rollers.

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对于有经验的Ps用户，我建议使用一个图层蒙版，而不是橡皮擦工具，这样可编辑性会更强。

For experienced Photoshop users, I would suggest using a layer mask instead of the eraser tool to maintain more editability.

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