水泥电力4WRZ10E25-70/6EG24N9ETK4/M深圳直发
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REXROTH力士乐比例阀比例阀或伺服阀的目的就是:以电控方式实现对流量的节流控制(当然经过结构上的改动也可实现压力控制等),既然是节流控制,就必然有能量损失,伺服阀和其它阀不同的是,它的能量损失更大一些,因为它需要一定的流量来维持前置级控制油路的工作R900954053 4WRA6E1-15-2X/GG24N9K4/V
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