Last Updated：2025/11/21
The half-metallic helmet featured a brushed aluminum shell joined to a reinforced composite liner to reduce weight without sacrificing strength.
See correct answer
The half-metallic helmet featured a brushed aluminum shell joined to a reinforced composite liner to reduce weight without sacrificing 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
Edit Histories（0）
