heat-proof tubing of inner-corru-gated expansion joint

例句：

1. 1.The roof of the house has a corrugated design to protect it from rain.
   这所房子的屋顶设计成波纹状，以保护它免受雨水侵蚀。
2. 2.The corrugated iron fence is strong and durable.
   这种波纹铁栅栏既坚固又耐用。
3. 3. The corrugated cardboard box is used for shipping fragile items.
   这种波纹纸板箱用于运输易碎物品。