Last Updated:2025/11/21

To improve corrosion resistance, the technician decided to phosphatize the steel bolts before assembly.

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To improve corrosion resistance, the technician decided to phosphatize the steel bolts before assembly.

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腐食耐性を高めるため、技術者は組み立て前に鋼製ボルトにリン酸塩被膜を形成する処理を施すことにした。

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