该方法基于线性霍尔元件，基本上不增加控制系统成本，安装简便，效果良好。
The approach based on linear Hall device, without increase in the cost, simple installation and the results meet to the requirement.
该方法基于线性霍尔元件，基本上不增加控制系统成本，安装简便，效果良好。
The approach based on linear Hall device, without increase in the cost, simple installation and the results meet to the requirement.
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