它们以开关的方式工作，使得一个通路中的电流可以控制另一通路中的电流。
They are switches that enable one electric current to control the passage of another.
驾驶员通过启动开关来控制这个电流。
The drive controls the flow of this current using the starting switch.
固态功率控制器由控制和逻辑部件、固态开关部件和电流感受部件组成。
The SSPC is composed of control and logic device, solid-state switch device and current-sense device.
固态功率控制器由控制和逻辑部件、固态开关部件和电流感受部件组成。
The SSPC is composed of control and logic device, solid-state switch device and current-sense device.
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