介绍了CY 3型液压操作机构的工作原理及结构特点，对其实际运行中出现的故障进行了详细的分析探讨，并提出了有关处理方案。
Introduces the working principle and structure trait of CY3 hydraulic pressure operation machine, analyzes operating faults in detail, brings forward concerned treatment scheme.
隔膜，用气压或液压操作的活门机构中的柔性部件。
DIAPHRAGM, A flexible part for operating a valve mechanism by pressure.
本文介绍了一种新型自封式封隔器，该片隔器采用液压自封原理，取消了封隔器的坐、解封机构和相应的操作。
This paper introduces a kind of new type self-sealing packer, whose hydraulic self-sealing mechanism replaces setting and releasing mechanism.
本文介绍了一种新型自封式封隔器，该片隔器采用液压自封原理，取消了封隔器的坐、解封机构和相应的操作。
This paper introduces a kind of new type self-sealing packer, whose hydraulic self-sealing mechanism replaces setting and releasing mechanism.
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