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防雷接口柜与2M柜间的电缆传输距离不得超过（）米。

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氧气转炉炼钢过程钢液中Si的氧化主要在吹炼后期进行。（）

A. 正确
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You work as a database administrator for Supportcenter.cn. You find that users with DBA role are using more CPU resources than what is allocated in their profiles. Which action would you take to ensure that resources limits are imposed on these users？（）

Assign the DEFAULT profile to the users
B. Set the RESOURCE_LIMIT parameter to TRUE in the parameter file
Create a new profile with CPU restrictions and assign it to the users
D. Specify the users as members of the DEFAULT_CONSUMER_GROUP
E. Revoke the DBA role and grant CONNECT and RESOURCE role to the user

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直流伺服电机的转速调节方法有改变（）、改变励磁磁通量、电枢回路串电阻等方法。

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T•JK3-A、TJK4、T•JK2型减速器集中检修中，“表示部分检查”的检修作业标准是什么？

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