当这些线圈被调节到合适的操作频率，电流就可以通过一个开关控制器转换给这些线圈。
The coils all get tuned to the right operating frequency and electricity is transferred to them using a switch-mode controller.
所有这些要求顺序操作相应开关、阀门和控制变频器来完成。
All these requirements order operation switch, valves, and corresponding control frequency converter to complete.
整机按照人体工程学设计，德国西门子PLC微电脑开关控制，操作简单方便。
The whole machine is designed in accordance with human engineering, micro switch Siemens PLC control, easy operation.
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