本文介绍了通过控制比例溢流阀排油流量，控制执行机构运动速度和压力负载敏感的新方法。
A new load-sensing method to control the moving velocity and pressure of actuating mechanism by controlling the displacement of proportional overflow valve is introduced.
空调自控阀门主要有：电动二通阀、比例积分电动二通阀、电动执行机构、温控器等系列产品。
The air conditioning auto-control valve includes electric two-way valve, proportional-integral electric two-way valve, electric actuator, temperature controller etc.
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