然后她演示了基本键控和技术，用于细化遮罩，使用蒙版和修正颜色。

Then she demonstrates basic keying and techniques for refining mattes, using masks, and correcting color.

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介绍了玻璃蒙砂网印工艺的技术要点，包括玻璃表面的预处理、蒙砂印料的配制、网版制作、印刷及印后处理。

This article introduces the key points for glass frosting, such as glass surface pretreatment, frosting paste formulation, plate making, printing and post treatment.

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