carrying cylinder

例句：

1. 1. The engineer carriedthe heavy cylinder to the construction site.
   工程师将沉重的圆柱体运到了施工现场。
2. 2. Thecar was carrying a large cylinder in thetrunk.
   汽车的后备箱里放着一个大型圆柱体。
3. 3. The cylinder was used asa support for the machine's frame.
   这个圆柱体被用作机器框架的支撑。