galvanized bunched thick pipe

例句：

1. 1. The steelpipe was galvanized to prevent corrosion.
   这根钢管被镀锌以防止腐蚀。
2. 2. The metal fence is made of galvanized steel.
   这面金属篱笆是用镀锌钢制成的。
3. 3. The old barn wasgalvanized to make it more durable.
   旧谷仓被镀锌以使其更耐用。