But it was a critical part of the powersupplysystem.
但是，电力基础设施却是供电系统中至关重要的一环。
2
This model is powersupplysystem installed under the ground.
这个模式是安装在地上的动力供应系统。
3
Therefore, the quality of automotive power systems directly affect the normal operation of the car, so the powersupplysystem for the inspection and maintenance of the fault is necessary.