比例放大器的英文

proportional amplifier

ratio amplifier

例句与用法

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Until now , there have had the single way proportional valve controlling the power or the route , double way ratio valve controlling the orientation . they cover flux control , pressure control , velocity control and position control . according to these functions , ratio amplifier has single way or double ways type amplifier
由于比例阀已经发展出单通道力、行程控制比例阀，双通道方向控制比例阀，广泛用于流量、压力、速度、位置控制等环节中，比例放大器也本着这些功能研制出了单、双通道的比例电控器。