一部分是整流电源系统，另一部分是逆变系统。
One is rectifier power system part, the other is inverter system.
本装置由检测、控制、执行、报警和电源五部分组成。
The device consists of five parts: monitor, control. Execution. alarm and power source.
本装置由检测、控制、执行、报警和电源五部分组成。
The device consists of five parts: monitor, control. Execution. alarm and power source.
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