最終更新日:2025/12/05
The mass density of the alloy decreased after the heat treatment, allowing the engine component to be lighter without compromising strength.
正解を見る
The mass density of the alloy decreased after the heat treatment, allowing the engine component to be lighter without compromising strength.
音声機能が動作しない場合はこちらをご確認ください
編集履歴(0)