Installation position: one can turn on the water, one on the ground. Working principle: different submersible pump principle similar electric fan, centrifugal pump by centrifugal force makes the water thrown out. According to the design principle of centrifugal force, high speed rotation of the impeller blades to drive the liquid will rotate out of the liquid, so as to achieve the purpose of transportation. A lot of the transmission medium, such as oil, water, chemicals and other raw materials. And the water pump shaft and the motor shaft is the same shaft, pump and motor is integrated into the water. The transport medium is water.