780型彩板(ban)(ban)(ban)波(bo)峰高度35mm，屬大波(bo)浪波(bo)紋(wen)板(ban)(ban)(ban)，彩板(ban)(ban)(ban)搭(da)(da)接(jie)處位(wei)于波(bo)谷，并且板(ban)(ban)(ban)邊(bian)折邊(bian)處理，令(ling)彩板(ban)(ban)(ban)搭(da)(da)接(jie)處強度更(geng)大，不宜翹邊(bian)，令(ling)視(shi)覺效果(guo)更(geng)平整，更(geng)美觀。
