780型彩(cai)板(ban)波(bo)(bo)峰(feng)高(gao)度35mm，屬大波(bo)(bo)浪(lang)波(bo)(bo)紋板(ban)，彩(cai)板(ban)搭接處(chu)位(wei)于波(bo)(bo)谷，并且板(ban)邊(bian)(bian)折邊(bian)(bian)處(chu)理，令彩(cai)板(ban)搭接處(chu)強度更(geng)大，不宜(yi)翹邊(bian)(bian)，令視覺效(xiao)果更(geng)平整，更(geng)美觀(guan)。
