780型彩板(ban)(ban)(ban)波峰(feng)高度35mm，屬大波浪(lang)波紋板(ban)(ban)(ban)，彩板(ban)(ban)(ban)搭(da)接處位(wei)于波谷(gu)，并且板(ban)(ban)(ban)邊(bian)(bian)折邊(bian)(bian)處理，令(ling)(ling)彩板(ban)(ban)(ban)搭(da)接處強(qiang)度更大，不宜(yi)翹邊(bian)(bian)，令(ling)(ling)視(shi)覺效果(guo)更平整，更美觀(guan)。
