单项选择题
A.环抱固位形 B.钉洞固位形 C.倒凹固位形 D.沟固位形 E.洞固位形
A.1的切缘 B.4的舌尖 C.5的舌尖 D.6的近中舌尖 E.3的牙尖
A.0° B.25° C.10° D.15° E.5°
A.0° B.25° C.10° D.15° E.30°
微信扫一扫,加关注免费搜题