最終更新日：2024/07/05
We had to ensure the reliability of the system before it was put into operation.
正解を見る
Il fallait que nous fiabilisassions le système avant la mise en service.
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We had to ensure the reliability of the system before it was put into operation.
Il fallait que nous fiabilisassions le système avant la mise en service.
DiQt（ディクト）
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