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当前学科:口腔颌面外科
题目:
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下列中厚皮片哪一组的厚度是正确的().
A . 0.3~0.5mm
B . 0.5~0.7mm
C . 0.7~0.8mm
D . 0.75~0.8mm
E . 0.8~0.9mm
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