swell box

例句：

1. 1.The swell box is used tostore and control the volume of gasesin a system.
   膨胀箱用于存储和控制系统中气体的体积。
2. 2. The engineerinstalled a swellbox to regulate the flow ofoil in the pipeline.
   工程师安装了膨胀箱来调节管道中油的流动。
3. 3. Duringthe construction, the workers had to usea swell box to prevent theair from escaping.
   施工期间，工人们不得不使用膨胀箱以防止空气泄漏。