A. 连续侧光轻微可见 B. 明显可见 C. 不允许 D. 侧光可见
ASSIGNMENT COMPLETE B. HANDOVER COMPLETE C. HANDOVER PERFORMED DIRECTRETRY COMPLETE
A. 正确 B. 错误
A. 挤压 B. 振颤 C. 摩擦 D. 摆动