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【单选题】
下列关于单渗漉法的叙述正确的是( )
A.
药材先湿润后装筒
B.
浸渍后排气
C.
渗漉一般流速为 5~8 mL/min
D.
药粉填装后，先加溶剂，后打开渗漉液出口
E.
大生产时，每小时流出液应相当于渗漉容器被利用容积的 1/24~1/12
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