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莫使金樽空对月。“金樽”在句中是什么意思？

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Company.com has recently received a new p5-570 in the data center and wants to Micro-Partition the server. The customer already has an existing HMC connected to a p690. Which of the following actions should the technical specialist take？（）

A. Order a POWER5 HMC
B. Connect to the existing HMC
C. Install an 8-port asynchronous card in the managed server to connect to the existing HMC
D. Install an additional network card to the existing HMC and connect to the POWER5 service processor

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电火花加工前的工件坯料的准备工作主要有（）。

A. 用机加工去除大部分余量，留适当均匀的余量
B. 时效处理以消除机加工后内应力
C. 热处理淬火
D. 除锈去磁
E. 对有些工件加工出基准面或划出基准线等

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电机振动给料机是由给煤槽以每秒（）次的频率振动的。

A. 20
B. 30
C. 40
D. 50

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液动力是流动液体作用在使其流速发生变化的固体壁面上的力。

A. 正确
B. 错误

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