There is a vacuum pump which makes measuring holes produce vacuum pressure and vacuum pressure is transformed into electronic controller through pressure transducer at the same time .
There is a vacuum pump which makes measuring holes produce vacuum pressure and vacuum pressure is transformed into electronic controller through pressure transducer at the same time .
仪器配有真空泵，开启后工作台的通道形成了真空，同时压力通过压力变换器输送到电气控制器中进行处理。