以下为句子列表：
英文: A control valve capacity versus its stroke affects its controllability.
中文: 模拟分析的结果可得到控制阀的流量特性，包括压损系数、流量系数等。
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英文: Butterfly or similar type valves should be installed in the line upstream and downstream of the automatic control valve to allow for maintenance service.
中文: 在自动控制阀的上游和下游应该安装蝶阀或类似的阀门，以便于进行维护维修。
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英文: Control valve characteristic depends on its flow rate, pressure drop, static pressure and valve stroke.
中文: 这些特性的明了与掌握，有助于控制阀的设计与操作问题的排除。
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英文: Design of quick die change system of heavy-duty press has been introduced with principle and component of lifter, pump and control valve of pneumatic and hydraulic, emphasis especially on design and calculation for lifter and pump.
中文: 摘要介绍了用于大型压力机的模具快速更换系统的组成及工作原理，举升器和气动液压泵的结构与工作原理，举升器控制系统的原理等，并重点介绍了举升器和气动液压泵的设计计算。
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英文: Design of the WATTS Automatic Control Valve minimizes potential valve damage that can be caused by cavitation.
中文: 美国瓦茨自动控制阀的结构将可能导致空穴现象的阀门损坏潜在危险降低到最小程度。
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