780型彩板(ban)(ban)(ban)(ban)波(bo)峰(feng)高度35mm，屬大波(bo)浪波(bo)紋(wen)板(ban)(ban)(ban)(ban)，彩板(ban)(ban)(ban)(ban)搭(da)接處(chu)位于波(bo)谷，并(bing)且板(ban)(ban)(ban)(ban)邊折(zhe)邊處(chu)理(li)，令(ling)彩板(ban)(ban)(ban)(ban)搭(da)接處(chu)強度更(geng)大，不宜(yi)翹邊，令(ling)視覺效(xiao)果(guo)更(geng)平整，更(geng)美觀。
