According to the location and pneumatization of the sphenoidal sinus,110 posterior walls of sphenoidal sinus were assigned into three categories:thick walls(35.6%),thin walls(55.9%)and weak walls(8.5%).是什么意思_According to the location and pneumatization of the sphenoidal sinus,110 posterior walls of sphenoidal sinus were assigned into three categories:thick walls(35.6%),thin walls(55.9%)and weak walls(8.5%).在线翻译_英语_读音_用法_例句