描述
检查数据库满足要求,检查数据各访问权限设置应正确,符合管理和数据安全要求,对数据库进行探寻,检查各数据库的有关信息应正确,各数据库或表的空间使用状况,应保留不小于25%的空余空间,磁盘的可用空间应不小于50%。还要检查数据库日志记录,若已满,则应进行清除或立即备份数据库。
Oerlikon Leybold TMP 1100C Turbo Vacuum Pump Rebuilt
1 Year Warranty; Leybold Factory Rebuild
One-day shipping available
Vacuum pump, single stage liquid ring
Single Stage Liquid Ring
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Kinney KT300 Rotary Piston Vacuum Pump
Edwards iQDP80 Dry Semiconductor Vacuum Pump iQMB 1200
Body for Nash 1251 liquid ring compressor, SS
LEYBOLD TURBO PUMP 1000C PN A971300407 – REFURBISHED
BOC EDWARDS iQDP80/QMB250 DRY VACUUM PUMP AND BOOSTER
VACUUM PUMP SYSTEM
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EDWARDS QDP40 DRY VACUUM PUMP BRAND NEW ( NEVER USED )