hard disk cylinder

例句：

1. 1.The hard disk cylinder is the main storage device for the computer.
   硬盘圆柱体是计算机的主要存储设备。
2. 2. The hard disk cylinder is used to store and retrieve data from the computer.
   硬盘圆柱体用于存储和从计算机中检索数据。
3. 3. The hard disk cylinder is a critical component of any computer system.
   硬盘圆柱体是任何计算机系统的关键组件。