变皱;(使)起皱褶;
His designer suits ruck up round his middle.
他的名牌套装在腰部起了褶皱。
This paper build up the relationship between the porosity and permeability of the ruck with diameters of sands by using ideal global grain model, which give the theoretic foundation to sands choice for making artificial stone.
文中以理想球形模型建立了颗粒直径配比与人工岩样的渗透率和孔隙度的关系,为制作人工岩样进行砂粒选配提供了理论依据。
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