A．梯形B．斜方形C．卵圆形D．扁圆形E．圆三角形上颌中切牙牙颈部横切面似什么形

作者: rantiku 人气: - 评论: 0

问题 A．梯形 B．斜方形 C．卵圆形 D．扁圆形 E．圆三角形上颌中切牙牙颈部横切面似什么形

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答案 E

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