实验研究了在一定风速作用下典型的可燃固体材料三合板和五合板上下表面都处于流场中的情况，表面火蔓延的特性；
The studied of characteristics of fire spread over the surface of plywood-one of the typical combustible materials in buildings-on the condition of airflow through both of its surfaces had been described in this paper .
五合板