1·If you add more servers, is there enough electrical power?
如果添加更多的服务器，是否有足够的电源？
2·Switch off electrical power if there is damage to your house electrical wiring.
如果家里电线受损，要切断电源。
3·Check light bulbs, electrical power, cable connections, outlets and contacts, switches and any moving parts;
检查电灯、电源、线路的连接、插座和接触器、开关以及一切移动部件；
4·Constant speed drive, a hydro-mechanical component for changing variable engine gearbox speed to constant speed to drive the electrical power.
恒速驱动装置，将发动机齿轮箱的可变转速转变为恒速以驱动电源的液压机械式部件。
5·An emergency extension system extends the gear mechanically if hydraulic or electrical power is lost.
如果液压系统或者电源出现故障，应急放出系统会靠重力机械地放出起落架。