题目内容

三相异步电动机的旋转磁场的旋转方向与什么有关?

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花粉分离常用的三种方法是什么?

为防止脱硫后烟气携带水滴对系统下游设备造成不良影响,必须在吸收塔出口处加装()。

A. 水力旋流器
B. 除雾器
C. 布风托盘
D. 再热器

绝缘子()后,造成永久性故障,变电所()断路器跳闸,复合失败,应立即()绝缘子。

Which of the following is one of the key differentiators between the IBM System Storage DS8000 and the XIV system?()

A. DS8000 supports z/OS; XIV supports both z/OS and Linux on z
B. DS8000 uses standard RAID technology; XIV uses distributed RAID
C. XIV is a single tiered system; DS8000 supports FC and SSD disk technologies only
D. XIV supportsFibre Channel protocol and mixed SATA and FC drives; DS8000 supports parallel grid architecture

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