0703金属材料 気体や液体を通さない弾力性のある素材を開発(Researchers Develop Elastic Material That Is Impervious to Gases and Liquids) 2023-02-03 ノースカロライナ州立大学(NCState) This image shows a container made of the new material that is elastic, flexible, and im... 2023-02-04 0703金属材料