题目内容
石膏药材纵断面的特征是
2022-01-06
A.纵断面有金属光泽,较光滑,无纹理
B.纵断面具绢丝样光泽及纵向纤维状纹理
C.纵断面具绢丝样光泽及横向波状纹理
D.纵断面有金属光泽,较光滑,有横向平行纹理
E.纵断面无光泽,凸凹不平
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