(19-21题共用备选答案) A.100°~120° B.120°~125°

Loveyou2020-05-20  17

问题 (19-21题共用备选答案)A.100°~120°B.120°~125°C.130°~140°D.140°~160°E.150°~170°

选项 19.新生儿下颌角为

答案D

解析
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