单项选择题
正常人眼球向前方平视时,一般突出于外侧眶缘约()
A.11~12mm
B.12~13mm
C.12~14mm
D.14~15mm
E.13~14mm
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单项选择题
A.11~12mm
B.12~13mm
C.12~14mm
D.14~15mm
E.13~14mm
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