Dilatation of internal acoustic canal on the plain film of skull was easily found in cases of acoustic neuroma (70%), and rarely seen in meningioma.是什么意思_Dilatation of internal acoustic canal on the plain film of skull was easily found in cases of acoustic neuroma (70%), and rarely seen in meningioma.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句