支托长度应为磨牙面近远中径的()
A.1/2
B.1/3
C.1/4
D.2/3
E.3/4
参考答案:C
血府逐瘀汤善于治疗()
A.头部瘀血证
B.胸中血瘀证
C.膈下血瘀证
D.少腹血瘀证
E.周身血瘀证