以往,楼梯不论有无边梁,踏步挡板两头或中间,都是按反三角固定踏步挡板。这种方法比较麻烦,同时要求木质好,纹里顺,疖疤少。不然就会造成脱落掉角,而且,用过一次变形较大,在拆除时也困难,顾了踏步板,顾不了反三角,反三角的损耗大, In the past, regardless of whether or not there are edge beams on the stairs, either at the ends or in the middle of the stepping baffle, the stepping baffles are fixed by the reverse triangle. This method is cumbersome. At the same time, it requires good wood, grainy, and less. Otherwise it will cause falling off the corner, and, once used a larger deformation, it is also difficult to remove, take care of the tread board, take care of the anti-triangle, the loss of the anti-triangle,