galvanized iron drum

例句：

1. 1. The drums are used to store and transport liquids.
   这些桶用来储存和运输液体。
2. 2. The drum is made of galvanized iron and has a capacity of 500 liters.
   这个桶是用镀锌铁皮制成的，容量为500升。
3. 3. The drum was damaged during transportation and needs to be repaired before use.
   这个桶在运输过程中受损，需要在使用前修复。