气缸压力检测结果，各缸压力差，汽油机应不超过最低压力的8%。
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当RC串并联网络的容抗与电阻相等时，电路具有最高的（）系数。
胶印机中印版的作用是（）
A. 装油墨
B. 使油墨透过全部印版网孔
C. 使油墨透过部分印版网孔
D. 对油墨施加压力
Your company has an Active Directory Domain Services (AD DS) domain. All client computers run Windows 7. You have a Remote Desktop Session Host (RD Session Host) server. You need to ensure that computer identities are validated before user authentication is performed. What should you do?（）
A. Configure the Set RD Gateway authentication method Group Policy setting to Use smart card.
B. Configure the Set RD Gateway authentication method Group Policy setting to Use locally logged-on credentials.
C. Enable the Configure server authentication for client Group Policy setting and then select Do not connect if authentication fails.
D. Enable the Configure server authentication for client Group Policy setting and then select Always connect, even if authentication fails.
（）都是煤电钻综合保护功能之一。
A. 检漏
B. 漏电闭锁
C. 短路
D. 欠压
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