防止水滞留。滞留在阀门内部构件的水会加速腐蚀。
It prevents water entrapment; water entrapped in the valve internals will accelerate corrosion.
当水滞留在耳内并使细菌或真菌滋生时就会生这种病。
It happens when water gets trapped in your ears and allows bacteria or fungi to flourish.
结果憎水涂层多孔板的水滞留能力显著提高，但其渗透压降也不同程度地增加。
Result Hydrophobic coating porous plate could evidently increase the water retention pressure, but also increase pressure drop of gas permeability in varying degrees.
成千上万的乘客被滞留，一架飞机上的所有乘客不幸的在停机坪上呆了8小时，食物和水的提供少得可怜。
Thousands of passengers were left stranded and one planeload of unfortunates spent eight hours sitting on the tarmac, with precious little food or drink to sustain them.
厌倦于水的滞留和膨胀？
在滞留有聚合物的岩心中，水的流动规律不符合达西定律。
It has been found that the flow behavior of water through rock samples with retained polymer molecules in it does not follow Darcy's law.
凤凰山水库2009年2月初发生局部微囊藻水华，主要原因是较好的水体稳定性（高水位，较长的水力滞留时间，较低的入库流量和降雨量），以及水温的迅速回升。
Microcystis-bloom in Fenghuangshan reservoir occurred in Feb. -2009, long water retention time, low precipitation and inflow, high temperature were the main reasons.
与早稻情况一样，氚水中的氚仍以自由水氚和结合态氚形式滞留在晚稻田各分室中；
Similar to that in the first rice, tritium in the second rice and soil was either tritium of free water or bound tritium.
砂柱的颗粒组成、水含沙量和入渗水头对滞留分布产生显著的影响。
Gradation of sand column and sediment concentration of muddy water and water head are remarkably effective factors for the fine grain distribution in sand column.
随着底水驱替速率增加，水沿着阻力最小的大型裂缝迅速突破，各种影响基质岩块采出程度的因素，都改变不了剩余油大量滞留于这部分孔喉空间的事实。
The factors influencing matrix block recovery can not change the fact that a large amount of remaining oil is left in the pore and throat space.
对含有滞留聚合物分子的岩心进行常规的水测渗透率试验。
Permeabilities decrease with the de- crease of pressure differential or flow rate, which has been observed when routine measurements for determining rock permeability to water is being conducted.
经监测发现，在自来水管中滞留过的水，不同程度地存在亚硝酸盐。
Generally, there should not be any nitrite in drinking water; while it is found through monitoring that the water detained in tap-water pipe is polluted by nitrite to some extent.
含有营养元素的富水液体在土壤中的扩散阻力陡增，长时滞留于追施部位，达到了液体肥料缓释的效果。
It contains nutritious elements and rich water, and has high diffusion resistance in soil of retaining in the applied position reaching the delay-releasing effect.
含有营养元素的富水液体在土壤中的扩散阻力陡增，长时滞留于追施部位，达到了液体肥料缓释的效果。
It contains nutritious elements and rich water, and has high diffusion resistance in soil of retaining in the applied position reaching the delay-releasing effect.
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