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Keypad given setting pressure.?pressure transmitter(sensor) is feedback signal. external push?button start . require pressure is 0.5MPa. If the pressure is higher than 0.5MPa.the inverter decrease the spee...
The?most popular automation equipment in 2020, it must be the mask machine. The global new crown pneumonia epidemic COVID-19 is raging, medical materials and daily protection are consumed in large quantiti...
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