本发明特点是成本低、无需防护、抗干扰性强、安装调试方便、操作简便。
The device and the method have the characteristics of low cost, no need of defending, strong anti-interference performance, convenient installation and debugging, and simple and convenient operation.
本发明特点是成本低、无需防护、抗干扰性强、安装调试方便、操作简便。
The device and the method have the characteristics of low cost, no need of defending, strong anti-interference performance, convenient installation and debugging, and simple and convenient operation.
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