Speed measuring and controlling module realizes the control of Refolw Soldering transfer speed by manipulating transducer .
速度测量模块与速度控制模块通过控制变频器来调节回流焊的传输速度；
Speed measuring and controlling module realizes the control of Refolw Soldering transfer speed by manipulating transducer .
速度测量模块与速度控制模块通过控制变频器来调节回流焊的传输速度；
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