单项选择题
A.活性茸B.畸形茸C.排血茸D.带血茸
A.3.3%~5%B.5%~19%C.5.3%~20.5%D.1.8%~3.3%
A.0.5~2.5kgB.0.8~1.8kgC.0.8~1.5kgD.0.5~2kg