本文通过对液压比例技术在卷染机上的应用进行了讨论。
The paper discusses the application of of hydraulic proportional technology on jogger.
比例、伺服液压技术，低功率气动控制阀，填料密封生产。
Ratio, servo hydraulic pressure technology, low power pneumatic control valve, production of stuffing.
本文从一个典型系统人手，介绍全断面隧道掘进机液压系统的设计原则和比例技术的应用。
Design principle of hydraulic system on whole section tunneler and the application of proportional technique are introduced in this article, starting from a typical system.
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