... eel 鳝鱼式游泳（仰卧水上，事实上商用弧形仰卧板。两手在腰部划进） efficiency of the stroke 划动效力 efficiency of movement 动作效率 ...
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By the derivation, calculation and illustration it is testified that the that of stroke, transmission efficiency, linearity and life time meet the design requirements.
通过推导计算与实例证明，该驴头的行程、传动效率、线性度和寿命都满足设计要求。
The application of vapor-liquid reseparator in the main return tube can effectively decrease the frequency of wet stroke and rapidly handle it and thus increase refrigerating efficiency.
采用在回汽总管上设置汽液再分离器，可以有效的减少湿冲程次数并能快速处理湿冲程现象，提高制冷效率。
This pumping model is suitable for enhancing the effective stroke and efficiency of pumping system and reducing the consumption of energy.
该模式有利于提高泵的有效冲程及系统效率，降低能耗。
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