barrels per calendar day

例句：

1. 1. The company uses barrels of oil to fuel its operations.
   该公司使用桶装油来为其运营提供燃料。
2. 2. The barrels of wine are stored in a secure facility.
   这些酒桶被存放在一个安全的设施中。
3. 3. The barrels of wine are being transferred from the storage facility to the distribution center.
   酒桶正在从储存设施转移到分销中心。