Carmen vortex air flow meter principle

The vortex air flow sensor is a sensor that measures the air flow by detecting the vortex frequency using ultrasonic or photoelectric signals.

As we all know, when the field overhead wire is blown by the wind, it will produce a "bang, bang" sound, and

48 Bei Ben heavy trucks won the bid for China Railway


Recently, the reporter learned from the Group’s Bei Ben Heavy Duty Truck that 48 Bei Ben heavy trucks had successfully won bids in China Railways Corporation’s tender, which accounted for nearly 80% of all winning vehicles.

Huaying Electric's second set of diving clock system passed the acceptance

According to CSIC, the second set of diving bell system passed the China Passage after the first set of mobile open diving bell system passed the factory inspection, ship inspection and qualified inspection. Classification and inspection agency Chongqing Branch inspection and acceptance.

U.S. Prosecutes China's Automobile and Parts Subsidies to WTO

On September 17, 2012, the World Trade Organization stated that the United States offered a subsidy to the auto industry on the same day to appeal to the WTO dispute settlement mechanism and requested a consultation with China.

The United States asked for con