Last Updated：2025/11/21
Sentence
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。
Quizzes for review
To improve corrosion resistance, the technician decided to phosphatize the steel bolts before assembly.
See correct answer
To improve corrosion resistance, the technician decided to phosphatize the steel bolts before assembly.
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Related words
phosphatize
Related Words
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（ participle past ）
（ past ）
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