780型彩(cai)板(ban)(ban)(ban)(ban)波峰高度35mm，屬大(da)(da)波浪波紋板(ban)(ban)(ban)(ban)，彩(cai)板(ban)(ban)(ban)(ban)搭接處位(wei)于波谷，并且板(ban)(ban)(ban)(ban)邊(bian)折(zhe)邊(bian)處理，令彩(cai)板(ban)(ban)(ban)(ban)搭接處強度更大(da)(da)，不(bu)宜翹(qiao)邊(bian)，令視覺(jue)效果(guo)更平(ping)整，更美觀。
