单项选择题
A.0.15%～0.3% B.0.3%～0.6% C.0.9% D.以上说法均不正确
A.0.1%～0.2% B.0.15%～0.3% C.0.3%～0.6% D.0.9%
A.黏膜表面麻醉 B.浸润麻醉 C.神经传导阻滞 D.硬膜外阻滞
A.活血散瘀，消肿止痛 B.活血祛风，舒经止痛 C.活血化瘀，行气止痛 D.疏风胜湿，散寒痛痹
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