barrel liner

例句：

1. 1. The barrel liner is designed to protect the barrel from damage during transportation.
   桶衬里设计用来在运输过程中保护桶免受损坏。
2. 2. The barrel liner was made of a durable material that could withstand the corrosive effects of salt water.
   桶衬里是由一种耐用的材料制成的，能够抵抗盐水的腐蚀作用。
3. 3. The barrel liner was installed carefully to ensure that it would not shift or leak during use.
   桶衬里被仔细安装以确保在使用过程中不会移位或泄漏。