本实用新型结构简单，输送效率高。
The refuse feeding machine has the advantages of simple structure and high conveying efficiency.
输送皂角泵内有设计合理的泄油和回油槽，是齿轮在工作中承受的扭矩力最小，因此轴承负荷小，磨损小，泵效率高。
Pump is the drainage and back into the groove of reasonable design, is a gear in the work under the minimum torque force, so the bearing load is small, wear small, pump with high efficiency.
效率高、噪音低、无脉动、输送气体中不含油气，振动极微。
High efficiency, low noise, no pulsation, air conveyed carrying no fuel, marginal vibration.
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