非金属平垫片材料通常包括合成纤维橡胶板、聚四氟乙烯、橡胶和()等四种。
A. 金属橡胶板
B. 耐油石棉胶板
C. 丁苯橡胶
D. 石棉橡胶
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某机组处于孤立运行中,额定容量为10万千瓦,额定转速为3000r/min,调速系统变动率为5%,如果电负荷突然由10万千瓦甩至4万千瓦,按静态特性转速应飞升多少?
You install WSUS on a server that runs Windows Server 2008. You need to ensure that the traffic between the WSUS administrative web site and the server administrators computer is encrypted What should you do()?
A. Configure SSL encryption on the WSUS server website
B. Run the netdom trust /SecurePasswordPrompt command on the WSUS server
Configure the NTFS permissions on the content directory to Deny Full control permission to the Everyone group
D. Configure the WSUS server to require integrated Windows authentication (IWA) hen users connect to the WSUS server.