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pump valve
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【机械工程】泵阀
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详细解释：
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以下为句子列表：
英文: Because the oil well pump belongs to a simplex reciprocating pump, the most authentic Adolph's differentical equation of movement of the reciprocating pump valve can be used to reserch the movement of oil well pump valve,but it is well known that this dif
中文: 由于抽油泵属于单缸单作用往复泵，因此可以将目前较权威的阿道尔夫往复泵泵阀运动微分方程用于研究抽油泵泵阀的运动规律，但阿道尔夫泵阀运动微分方程在泵阀开启初期存在奇点问题。
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英文: In the paper, the influence of the Westphal's pheonmenon of the movement of the pump valve and the compressibility of the liquid on the continuous flow condition of liquid in the cylinder being not only comprehensively considered, but also the dynamic pro
中文: 本文综合考虑了液体可压缩性、泵阀运动的魏氏效应对泵筒内液体连续流条件的影响，并考虑了泵阀运动的动力特性，建立了新的泵阀精确运动微分方程，该数学模型不存在奇点问题。
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英文: Statistics and analysis of amplitude domain parameters of the vibration acceleration signal measured during closing of the pump valve shows that, by using this diagnosis method, the feature information of the pump valve failure can be extracted effectivel
中文: 通过对测取的三缸泵阀箱上泵阀关闭过程振动加速度信号的幅值域多参数的统计分析证明，采用振动信号幅值域多参数诊断法可有效提取泵阀失效故障的特征信息，且故障信息特征非常明显。
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英文: The company held water 2000, hold to outstanding, enterprising, self-confident, vigor management posture, follow the path that the brand develops, pass effort of 6 years, the company makes with all one's strength pump valve trades net · China already beca
中文: 公司成立于2000年，秉承“卓越、进取、自信、活力”的经营态势，遵循走品牌发展之路，通过6年的努力，公司全力打造的“泵阀交易网·中国”目前已成为国内最大的泵阀交易资讯平台，在业内已尊享举足轻重的地位。
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英文: The movement of valve of the oil well pump has not been researched perfectly in theory,and the mathematical models used to describing the movement of the oil pump valve are too simple.
中文: 目前抽油泵泵阀运动规律的理论研究还很不完善，所采用的数学模型也过于简单。
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