检修队在更换10kV电线杆上的油开关时，检修队负责人只根据工作票上的线路图，命令工人对该油开关所在电线杆验电，并挂了接地线。然而，现场实际情况是该电线杆为双回线并架线路，与工作票上的线路图不符，所以油开关内侧仍有电。当检修工人顺爬梯向上攀登触及油开关内侧时，触电坠落身亡。
如果检修工佩戴较好的个人防护器具，就可以减轻伤害。列举个人防护器具。
Your network contains a Web-based application that runs on Windows Server 2003. You plan to migrate the Web-based application to Windows Server 2008 R2. You need to recommend a server configuration to support the Web-based application. The server configuration must meet the following requirements： èEnsure that the application is available to all users if a single server？fails èSupport the installation of .NET applications èMinimize software costs What should you recommend？（） Install the Server Core installation of Windows Server 2008 R2 Standard on two servers. Configure the servers in a Network Load Balancing cluster.。 Install the full installation of Windows Server 2008 R2 Web on two servers. Configure the servers in a Network Load Balancing cluster.。 Install the full installation of Windows Server 2008 R2 Enterprise on two servers. Configure the servers in a failover cluster.。 Install the full installation of Windows Server 2008 R2 Datacenter on two servers. Configure the servers in a failover cluster.。
当导水机构全关后机组长时间不能降低转速是何原因？如何消除？
什么是设备工器具购置费？
既然测试的目的在于寻找错误，并且找出的错误越多越好，那么在测试时应尽可能的测试无遗漏。
当望远镜视线水平且竖直度盘指标水准管气泡居中时，竖直度盘指标读数为（）的整数倍，称为竖直度盘始读数。
