annual resin tapping 年采脂量
Resin tapping method 采脂方法
ascending resin tapping 上升法采脂
descending resin tapping 下降法采脂
During resin tapping, the cover is closed to cover resin liquid to avoid the infiltration of impurities and the volatilization of the resin liquid.
采脂时，将盖封闭盖住脂液，避免了杂质的渗入和脂液的挥发。
The combination of controlling insects and resin tapping provides a well way to apply the method for a longer period.
治虫和采松脂相结合，更是为长时期采用这种方法提供了良好的途径。
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