Cavitation of centrifugal pumps and installation height

First, the centrifugal pump cavitation phenomenon Centrifugal pump cavitation phenomenon refers to the liquid being transported as a result of the saturated vapor pressure at the delivery temperature is equal to or lower than the pressure at the pump inlet (actually at the inlet of the blade) and

Chinese car companies usher in new business opportunities

In the next five years, we may find that those leading companies in China’s auto industry have shifted their production bases to Vietnam. Today, Vietnam has officially been allowed to join the World Trade Organization after a 12-year negotiation. After a watery Vietnam enters the WTO, China