Air pump (qìbèng), or "air pump", is a device that removes air from an enclosed space or adds air from an enclosed space. Air pumps are mainly divided into electric air pumps, manual air pumps, and foot pumps. Electric air pump. An air pump powered by electricity uses electricity to continuously compress air to generate air pressure. Mainly used for gas pumping, sewage treatment, electroplating blasting, biogas tank aeration, tunnel ventilation, etc.
