Last Updated：2025/11/25
Sentence
技術者は、二価の鉄を三価の鉄に酸化する細菌が赤錆のついた配管に定着して腐食を促進しているのを発見した。
Quizzes for review
The engineer discovered an iron bacterium colonizing the rusty pipeline and accelerating corrosion.
See correct answer
The engineer discovered an iron bacterium colonizing the rusty pipeline and accelerating corrosion.
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