原级：cask
1. 桶盖(非金属)：5898 软木塞 corks | 5899 桶盖(非金属) casks | 5903 木桶板 staves of wood
2. 木桶、木盆：317100 包装箱、木箱、松条箱Packing cases,boxes,crates,d rums ets.Cable drums of wood | 317300 木桶、木盆Casks,barrels,vats,tubs etc.of wood | 317400 木制容器Wooden containers
1. The team is scheduled to withdraw Thursday but leave a commemorative mark formed by 13 empty oil casks and a national flag at the peak.
2. The removal operation completed Thursday involved 21 specially designed casks for the uranium to be flown on five flights from three cities.
3. This dry red wine has spent 12 months in French oak casks.
4. This makes it an ideal wine to experiment with in both the vinification process and barreling in oak casks.