同样这些站点需要为故障或峰值事件预留一些备用组件，在站点需要附加容量时使用。
Likewise, the site may want to keep components in reserve for failover or peak events when the site might need additional capacity.
包括两个冷却剂系统水泵在内的备用组件都在舱里，安装工作被普遍认为是艰难的，必须进行两次太空行走。
Spare components are on board, including two coolant system pumps, but installation is considered difficult and two spacewalks will be required.
洪水已经彻底毁坏了备用发电系统的油罐和其他核心组件。
The flooding is believed to have irrevocably damaged the oil tank and other key parts of the system.
备用密封件是阀帽(12)内主阀杆密封组件(20)的二级密封。
The backup seal is secondary to the main stem seal assembly (20) in the bonnet (12).
也有备用氨储罐群，1个备用的伸缩软管扭转耦合器，几个远程电源控制组件，甚或有1个用于专用灵巧机械手的备用手臂。
There's a spare ammonia tank assembly, a spare flex hose rotary coupler, several remote power control modules and even a spare arm for the Special Purpose Dexterous Manipulator.
也描述了制备用于流体供料喷洒器的流体供料组件的方法。
A method of preparing a fluid supply assembly for use with a fluid supply applicator is also described.
也描述了制备用于流体供料喷洒器的流体供料组件的方法。
A method of preparing a fluid supply assembly for use with a fluid supply applicator is also described.
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