By Tokio X'press hospital, pollution, flu, Medical care, Environment
COVID-19:宫崎大学,深紫外LED(发光二极管)开发:感染力降低了99%以上
川崎重工:新型氢液化器的开发:-253度液化,体积1/800
川崎重工:新型氢液化器的开发:-253度液化,体积1/800