以下为句子列表：
英文: According to the control rod hydraulic drive mechanism(CRHDM)and the characteristics of its hydraulic cylinder seal structure, the leaking ways of the hydraulic cylinder piston ring seal were analysed, its theoretical calculation model was built and its f
中文: 摘要根据控制棒水压驱动机构水压缸活塞环密封结构的特点，分析了水压缸活塞环的泄漏途径，建立了活塞环密封泄漏流阻的理论计算模型，并结合水压缸活塞环密封处的压差计算模型，推导出水压缸密封结构的流阻计算公式。
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英文: All valves are available with hand-wheels, gearing, electric motor actuators or pneumatic or hydraulic cylinder actuators.
中文: 所有阀门都可配置手轮，齿轮操作机构，电动马达执行机构，或者气动或液动缸体执行机构。
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英文: Based on the theory of hydraulic cylinder design and physical properties of MRF, a mechanical model of MRF dampers with mixed mode of pressure-gradient flow and shear flow in a single cylinder was developed, the parameters of MRF dampers were simulatively
中文: 摘要基于液压流体力学的液压缸设计理论，由磁流变液的物理性质建立了单筒压差流动和剪切流动混合模式磁流变液阻尼器的力学模型，用数值计算方法对磁流变液阻尼器的参数进行了模拟仿真研究，求得缸体和活塞之间的缝隙、活塞的运动速度及磁流变液的粘性系数与阻尼力之间的关系，确定了最佳的磁流变液阻尼器设计参数。
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英文: In this paper, he also expatiates upon particularly some difficulties in the designing, such as how to fix the small core, how to fix the hydraulic cylinder by sequence and how to insert arc core into the column core2.
中文: 对模具设计过程中遇到的困难，如：小嵌件如何固定，很小的侧型芯如何固定于侧滑块上，及三个液压缸按顺序抽芯，圆弧型芯如何插入圆柱型芯2中等都作了详细的叙述与探讨。
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英文: The formula and analysis would be helpful for the theoretical analysis and engineering design of the hydraulic cylinder piston ring seal structure.
中文: 研究结果为控制棒水压驱动机构水压缸活塞环密封结构的设计和分析提供了理论基础。
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