When a file is deleted, only its reference in the discindex is removed.
用来使磁碟上损坏或删去的档案时，只是磁碟上的对照索引被取消。
2
Disc brakes have become an important guarantee of the vehicle safety device, its quality and brake performance is an important index of the manufacturer concerned.
盘式制动器已经成为了车辆安全的重要保障装置，其质量和制动性能是生产厂家关注的重要指标。
3
Using an industry standard Size 15 modular mounting pattern, the index mark on the disc hub can be coarse aligned to the index sensor position on the housing.