Most of the production and sales indicators in the gear pump industry have remai

time：2016-05-19 09:13:10 author：特种泵阀 click：472

Domestic gear oil pumps, also known as positive displacement devices, are like pistons in a cylinder. When one tooth enters the fluid space of another tooth, the liquid is mechanically squeezed out. Because liquids are incompressible, liquids and teeth cannot occupy the same space at the same time, thus eliminating liquids.

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