Since the defragment operation may run quickly, especially for smaller tables, the defragment information may be available for only a short period of time.
由于碎片整理操作可能运行得很快，特别对于小表更是如此，所以只能在很短的时间内看到碎片整理信息。
2
Shorttime limit, less expense and conveniet operation are its feature.
它的特点是工期短，费用少，施工操作简便。
3
Because of the shorttime use of oil on the belt after the operation, after due to excessive dust accumulation, final days and months multiplying belt damage.