The most frequent reaction causing the self - sealing of rocks with high secondary permeability is argillization.

这种发生频率很高的、使次生渗透性能良好的岩体产生自封闭现象的反应就是泥岩化.

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Suitable for preparation of early - strength, high - strength , high - anti - filtration and self - sealing & pumpable concrete.

适用配制早强 、 高强 、 高抗渗、自密实 泵送 混凝土及自流灌浆材料.

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Self - sealing quick release coupling with or without mechanically operated valves.

自封 式速释离合器(带有或不带机械操作阀).

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The merits : high self - sealing performace, resistance to high pressure , and high resistance to corrosion, etc.

这种密封环具有密封性强 、 耐高压 、 耐腐蚀性强等优点.

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Objective To determine the efficacy and safety of self - sealing pars plana sclerotomies for vitrectomy.

目的探讨自 闭式 巩膜隧道切口用于经睫状体平坦部玻璃体切除术的有效性和安全性.

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Drag onto the page to add a self - sealing quick release coupling. Right - click to remove valves.

拖到绘图页后,可以添加 自封 式速释离合器. 右击可删除阀.

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The double - cone sealing is one of the semi - self - sealing construction which is widely used in high - pressure vessel.

双锥密封是高压容器广泛采用的一种 半 自紧结构形式,其螺栓联接设计合理与否,直接影响到密封结构的性能、使用寿命与效益.

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