extractors

When using sorbitic extractors, try to teach and explain packing method.

在使沙氏器时，应作试教，讲解安装方法。

The paper analyses that flavone's total content measuring of Parthenocissus tricuspidate is extracted by scorbutic extractor and Cohobation method, measured by spectrophotometer.

采索氏法和回法对爬山虎中总黄含量进行了,并度法进行了测定。