Last Updated：2025/12/04
The engineer mixed a microballoon into the polymer to create a lightweight, insulating composite.
See correct answer
The engineer mixed a microballoon into the polymer to create a lightweight, insulating composite.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
Source Sentence
技術者は軽量で断熱性のある複合材料を作るため、樹脂に中空微小球を混ぜた。
