单项选择题
A1/A2型题 新生儿下颌角的度数为()
A.110°
B.125°
C.120°~125°
D.130°~140°
E.140°~160°
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单项选择题
A.110°
B.125°
C.120°~125°
D.130°~140°
E.140°~160°
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