该含水层的导水性能为各向异性的。
大多煤田水文地质调查的任务是查明区内工业煤层围岩的赋水性、主要断层的含水及导水性等问题。
The purpose of most of the hydrogeological survey in coalfield is to prospect the water content of the industrial coal bed adjacent rock and the water content and permeability of main fault and so on.
用作水性或含水的有机溶媒包衣，优良的成膜性和粘性，有较好的屏障作用，增加了抗压强度，减少碎片。
Water or water used for organic solvent coating, excellent film forming and viscosity, have good barrier, an increase of compressive strength, reduction of debris.
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