expansion cylinder

例句：

1. 1. The expansion cylinder is used to expand the tire.
   膨胀筒用于扩展轮胎。
2. 2.The engineer designed a new type of expansion cylinder for the machine.
   工程师为机器设计了一种新型的膨胀筒。
3. 3. The expansion cylinder was used to increase the size of the container.
   膨胀筒被用来增加容器的大小。