Coloration provides a visual cue for the identification, organization, and management of key process elements.
着色为辨别、组织和管理关键的过程元素提供了可视化提示。
Basic principles of aluminium oxidation, coloration and sealing are described. A few key problems affecting the quality are elucidated.
叙述了铝氧化着色和封孔的基本原理，阐明了影响质量的一些关键问题。
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