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 1.额骨frontalbone2.左侧额窦缺如noleftfrontalsinus(占7.6%)3.鼻棘nasalspine4.右侧额窦发育不良malde-velopmentofrightfrontalsinus5.眶上切迹supraorbitalnotch (共 129 字) [阅读本文] >>