disk platter

例句：

1. 1.The computer's disk platter is full of data.
   计算机的磁盘托盘充满了数据。
2. 2.The engineer replaced the disk platter with a new one.
   工程师用一个新的替换了旧的磁盘托盘。
3. 3. The technician carefully removed the disk platter from the machine.
   技术员小心地将磁盘托盘从机器中取出。