短語詞組短語lower airway bacterial colonization 下呼吸道細(xì)菌定植;道細(xì)菌定植;下氣道細(xì)菌定植;存在下呼吸道細(xì)菌定植bacterial colonization density 細(xì)菌定植密度Catheter bacterial colonization 導(dǎo)琯細(xì)菌定植bacterial colonization of respiratory tract 呼吸道定植菌bacterial colonization of incisional wound 細(xì)菌定植 返回 bacterial colonization