780型(xing)彩板(ban)(ban)(ban)波(bo)(bo)峰高度(du)35mm，屬大波(bo)(bo)浪波(bo)(bo)紋板(ban)(ban)(ban)，彩板(ban)(ban)(ban)搭(da)(da)接處位于(yu)波(bo)(bo)谷，并且板(ban)(ban)(ban)邊折邊處理，令彩板(ban)(ban)(ban)搭(da)(da)接處強度(du)更(geng)大，不(bu)宜翹(qiao)邊，令視覺(jue)效果(guo)更(geng)平(ping)整，更(geng)美觀(guan)。
