A.0.5~0.8mm B.0.9~1mm C.1~1.5mm D.2.5mm左右 E.3~4mm铸造支托凹深度的范围

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问题 A.0.5~0.8mm
B.0.9~1mm
C.1~1.5mm
D.2.5mm左右
E.3~4mm

选项 铸造支托凹深度的范围

答案C

解析1.前牙切支托宽约2.mm,深约1.5mm
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