失去了松节油溶解作用的固态松香，在木材中不再渗出。
Without the dissolving of the turpentine oil, the solid state rosin can not seep out from the wood.
在高温高湿条件下，木材中的松节油与水在紧接水的沸点温度下共沸，并随蒸汽排出试材。
In the condition of high temperature and high humidity, the turpentine oil will boil together with water, and it will be removed from the test wood accompanying with the water vapour.
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