试题与答案

Ⅲ度拥挤是指 A.间隙相差2~4mm B.间隙相差4~8mm C.间隙相差8mm以上

题型:单项选择题

题目:

Ⅲ度拥挤是指

A.间隙相差2~4mm
B.间隙相差4~8mm
C.间隙相差8mm以上
D.间隙相差3~5mm
E.间隙相差3mm以内

答案:

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