- The relationship between NPSH and inlet geometry parameters of impeller is analyzed .The cavitation characteristic between the slurry pump and normal pump is compared.
- The well point should pump water continually, the normal pumping rule is "big then small, feculent then clear".
- Host is the water pump, water pumps in operation, it was inevitable that the failure and damage, which can not be normal pumping.
- The computer has a normal qwerty keyboard.
- The situation has returned to normal in the city.
- The normal return fare to New York is fifty-six.