并且机械式发讯装置，还具有成本低，不 需另设防水装置。
The machine type communicating device has low cost, and a waterproof device does not need additionally arranging.
本文介绍了一种基于相位转矩测量原理，以磁栅为发讯器的转矩传感器。
This paper presents a torque sensor that was designed on the basis of phase torque measurement and magnetic-grid signal generator.
提出采用二次流量脉冲转换方式对流量计的发讯脉冲进行计数补偿，确保大容量时精确发油。
Two-time flow pulse transition is put forward to compensate the pulse count, by this method the flow pulse is sum up to assure fill precisely in large volume.
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