由于黄河水的长距离搬运作用，颗粒磨圆度高、表面强度低；孔隙率高，毛细作用剧烈。
It has high psephicity, low surface strengths, high porosity and intensive capillarity because of the long transport function of the water.
认识到溶解度的气体是更大的，在液体状态，比在固体状态下，受焊缝孔隙率是相关的熔合区的讨论。
Recognizing that the solubility of gas is greater in the liquid state than in the solid state, the subject of weld porosity is relevant to fusion zone discussion.
海绵状孔结构获得较大孔隙率和连通度和永久亲水改性获得较大通量和强度。
Sponge-like pore structure with larger porosity and connectivity and permanent hydrophilic modification obtains much flux and high strength.
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