corrugation infiltration

例句：

1. 1.The engineer used a corrugated iron roof to protect the building from rain and snow.
   工程师用波纹铁皮屋顶来保护建筑物免受雨水和雪的侵害。
2. 2.The infiltration of water into the soil is crucial for plant growth.
   水分渗入土壤对植物生长至关重要。
3. 3. The corrugated iron fence was designed to prevent infiltration of pests and vermin.
   波纹铁皮围栏被设计用来防止害虫和害兽的侵入。