n. leakage
misc. seepage loss
...LI是一个无量纲的比例值，定义为供水系统现有的年物理漏失 总量（Currentannualrealloss）除以系统不可避免的物理漏失量（UARL），即： ILI＝现有的物理漏失量／系统不可避免的物理漏失量 系统漏控指标反映了供水企业现行的控漏水平。
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应近似地按柱塞位于下止点时的环隙计算抽油泵的环隙静、动态漏失量。
And the static and dynamic leakage of the pump should be approximately calculated according to the annulus at the end of the plunger's downstroke.
文末算例表明，渐缩间隙模型的环隙漏失量比平行平板模型的环隙漏失量小得多。
Calculations show that the annular clearance leakage by the mode of gradually reducing clearance is much less than that by the mode of equidimension clearance.
本文通过试验得出了碟形圈密封漏失量的经验公式，并对轴向振动的影响进行了修正。
A empirical equation of the leakage of Belleville ring seal is presented, and a correction for the axial vibration is given.
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