有效的压实可以显著改善土壤的承载能力，提高不渗透性。
Effective compaction can improve the bearing capacity of the soil, improve not permeability.
本发明石材勾缝胶具有如下优点：渗透性好，固化后不粘手，抗收缩能力强，打磨后胶有亮度等优点。
The jointing glue for stone has the advantages of good permeability, no tackiness after curing, strong antishrinking capability, glue brightness after polishing and the like.
所述自由体积的不连续变化会涉及所 述透气材料层的渗透性的突然变化。
The discontinuous change in free volume will involve an abrupt change of the permeability of the breathable material layer.
所述自由体积的不连续变化会涉及所 述透气材料层的渗透性的突然变化。
The discontinuous change in free volume will involve an abrupt change of the permeability of the breathable material layer.
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