The result indicated: the experimental equipments were reasonable structurally,and good measurement precision,convenient in use and suitable for requests of measurement;in the moisture absorption range,gas permeability of wood was negative conic with water content,and was biggest when water content was about 10%;gas permeability of wood increased as p.

The carven aroma and the wooden aroma being block print form language have intense optesthesia effect and rich boundless expressive powers, there is a surface countering against between the unification of the carven aroma and the wooden aroma and a lot of aspect of block print limit.