When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated （）.

[单选题]If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, theA．oil has a tendency to emulsify in the bowlB．purifier will act as a clarifier at the discharge ringC．oil will be lost through the water discharge portsD．o

[试题]When should data be set to disk for safekeeping during the ETL?简述ETL过程中哪个步骤应该出于安全的考虑将数据写到磁盘上？

[单选题]Disk boot failure insert system disk and pressenter是什么意思（）A .系统错误引起文件丢失B .内存条问题引起文件丢失C .系统问题电子盘丢失D .系统问题引起文件丢失

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to s

[单选题]In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .A．all of the oil used by the engine through a filterB．some of the oil used by the engine through a filterC．some of the oil used by the engine thro

[单选题]“use bowl”的中文意思是（）。A .用刀B .量碗C .用碗D .量杯

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to sweepbackand forth across the disk Surface servicing all requests in its path．This is a (73) ．(73) A．First Come First ServeB．Shortest Seek Time FirstC．ScanD．None of the above

[单选题]A． disk scheduling mechanism in an operatingsystem causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is aA．First Come First ServeB．Shortest Seek Time FirstC．ScanD．None of the above

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is a （） :（）A. First Come First Serve B. Shortest Seek Tn-ne FirstC. Scan D. None of the abo

[单选题]The smallest physical units on a hard disk are called( )A.TracksB.ClustersC