彩色编码的核心理由是产品及过程的可追溯性。

At the core of my reasons for color coding are product and process traceability.

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使每个出厂产品均有唯一性标识可追溯。

So that each factory products are unique identification can be traced back.

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使每个出厂产品均有唯一性标识可追溯。

So that each factory products are unique identification can be traced back.

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