The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.

降水往往会把细小的粘土颗粒转移到土壤的最微小的空隙中，使这些空隙变得封闭，从而形成了一种几乎不允许任何水分渗透下来的表层土壤。

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The leakage of fan bearing box, especially the leakage of the moving sealing on the main shaft, is a main problem in the working fan of the furnace.

风机轴承箱的泄漏尤其是风机主轴处动密封的泄漏一直是高炉风机运行存在的主要问题。

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Objective To explore whether tube sealing on trochar with heparin dilution liquid is excellent than sodium chloride in patients with pneumocardial disease.

目的：探讨肝素稀释液用于肺心病患者静脉留置针封管是否优于生理盐水。

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The eighth seed eventually saw off his fellow Spaniard 5-7 6-7 (8-10) 6-3 6-3 7-6 (7-4), sealing victory with a spectacular winner on the run after four hours and 23 minutes.

BBC: Rafael Nadal beats Feliciano Lopez at US Open

Fox made his debut in the 5-0 victory over Al-Ahly in the Wembley Cup on Friday, after sealing his move from Coventry for an undisclosed fee.

BBC: Mowbray plans more transfer raids

Nadal, who will reclaim second place in the world rankings from Novak Djokovic next week, is now out on his own with 18 career Masters victories after sealing a 6-2 7-6 victory over the defending Roland Garros champion.

CNN: Brilliant Nadal too strong for Federer