Perform test stand calibration according to Error Proof Sample .

实施生产线标定样件的验证及维护工作。

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To produce a sample proof: Lay the substrate out on a smooth flat surface.

要产生一个样本证明：躺着的基板，光洁平整的表面上。

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To produce a sample proof: Lay the substrate out on a smooth flat surface.

要产生一个样本证明：躺着的基板，光洁平整的表面上。

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