经研究,安氏Ⅲ类骨性畸形的咀嚼效能比正常牙合减少 A.20% B.30%

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问题 经研究,安氏Ⅲ类骨性畸形的咀嚼效能比正常牙合减少A.20%B.30%C.60%D.55%E.40%

选项

答案E

解析
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