Shadow mask is an important part of a color picture tube, while the design and manufacture of mask master is the key in making shadow mask.
荫罩是彩色显象管的重要部件，而制造荫罩的关键在于设计和制造荫罩母版。
Shadow mask is an important part of a color picture tube, while the design and manufacture of mask master is the key in making shadow mask.
荫罩是彩色显象管的重要部件，而制造荫罩的关键在于设计和制造荫罩母版。
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