人工解剖式牙牙尖斜度为A.30°或33° B.10°或13° C.0°或3° D.40°或43° E.20°或23°

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问题人工解剖式牙牙尖斜度为

选项 A.30°或33°
B.10°或13°
C.0°或3°
D.40°或43°
E.20°或23°

答案A

解析

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