在建筑物入口端，电源线和通信线应该连接一起接地。
The AC power lines and the telecommunication lines should be referenced together at the building entry point.
而入口端连通至 车体的外部，出口端连通至一燃料箱。
The input end is communicated to the external of the car, and the outlet end is communicated to the fuel tank.
每个热交换管道具有多个从其入口端纵向平行地延伸到其出口端的流动通道。
Each heat exchange tube has a plurality of flow channels extending longitudinally in parallel relationship from its inlet end to its outlet end.
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