protective e barrier遮壁;防护栏障
blood stream protective barrier缘流保护性屏障
second protective barrier次级辐射防护屏
electrical protective barrier电气保护遮栏
primary protective barrier掷护墙;原防护屏障
secondary protective barrier次级防护屏障
protective barrier cream防护性屏障霜
gastric mucosa protective barrier胃黏膜屏障功能
edge flowing blood protective barrier血液缘流保护性屏障