cylindrical shell

例句：

1. 1. The cylindrical shell is made of strong steel.
   这个圆柱壳是用坚固的钢材制成的。
2. 2.The cylindrical shell was used to store grains.
   这个圆柱壳被用来储存谷物。
3. 3. The cylindrical shell has a smooth surface and is easy to clean.
   这个圆柱壳表面光滑，易于清洁。