Last Updated:2025/11/21

To reduce corrosion, the technician added soda ash to alkalize the cooling water.

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To reduce corrosion, the technician added soda ash to alkalize the cooling water.

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腐食を減らすため、技術者は冷却水をアルカリ性にする目的で炭酸ナトリウムを加えた。

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