短語詞組短語protective e barrier 遮壁;防護欄障blood stream protective barrier 緣流保護性屏障second protective barrier 次級輻射防護屏electrical protective barrier 電氣保護遮欄primary protective barrier 擲護墻;原防護屏障secondary protective barrier 次級防護屏障protective barrier cream 防護性屏障霜gastric mucosa protective barrier 胃黏膜屏障功能edge flowing blood protective barrier 血液緣流保護性屏障 返回 protective barrier