The paper has studied on the reliability of the developed intelligent electrohydraulic proportional amplifier.

本文重点研究智能电液比例控制放大器的可靠性设计问题.

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With the development of the ratio system, the proportional amplifier develops constantly as the control equipment.

而作为比例电磁铁的电控设备, 比例放大器一直是随着比例系统的发展而发展的.

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