The antiseep performance of material for bore mud is good.
此种材料对钻井泥浆具有优良的防渗漏性能。
The advantages of sunken-pipe-cast-in-place pile include preventing the borehole from collapsing and avoiding treatment of the bore mud.
沉管灌注桩的优点是有效防止塌孔并能避免灌注桩的泥浆处理；
The limit deepness of deep bore-hole with mud dado in the soils is calculated and analysed by adopting theory of limit analysis.
利用极限分析原理对土体中泥浆护壁深钻孔的极限孔深问题进行计算研究。
Some residents made their way from the area clutching pets, luggage or clothing as the huge mass of mud bore down.
大面积的泥石流汹涌而来，当地居民抱着宠物、行李和衣物撤离该地区。
Low potential mud acid dosage can not control to side reaction to occur; high dosage of potential mud acid may in-crease near-well-bore permeability.
较小的潜在土酸用量不能控制副反应的发生，较大的潜在土酸用量可有效提高近井地带的渗透率。
Low potential mud acid dosage can not control to side reaction to occur; high dosage of potential mud acid may in-crease near-well-bore permeability.
较小的潜在土酸用量不能控制副反应的发生，较大的潜在土酸用量可有效提高近井地带的渗透率。
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