For Fuel Cell Bus with multi-power sources configuration, energy flow must be efficiently controlled.
燃料电池客车采用多动力源的动力系统结构，需对其能量流动进行有效的控制。
Shut off___ the power after you use the multi-media devices in the conference room.
使用完会议室的多媒体设备后，请关掉电源。
Shut off___ the power after you use the multi-media devices in the conference room.
使用完会议室的多媒体设备后，请关掉电源。
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