corrugated folded plate

例句：

1. 1. The corrugated metal roof is strong and durable.
   这种波纹金属屋顶坚固耐用。
2. 2. The corrugated sheet was used to make the walls of the house.
   这种波纹钢板被用来制作房子的墙壁。
3. 3. The corrugated metal door is easy to install and maintain.
   这种波纹金属门安装和维护都很方便。