galvanized MS countersunk head machine screw

例句：

1. 1.The metal parts were galvanized to prevent corrosion.
   这些金属部件被镀锌以防止腐蚀。
2. 2.The roof of the house was galvanized to protect it from weathering.
   房子的屋顶被镀锌以保护它免受风化。
3. 3. Galvanized steel is commonly used in construction for its durability and resistance to rust.
   镀锌钢因其耐用性和抗锈能力而常用于建筑施工。