The extent of corrosion increases with the strong permeability of rock.
⑤岩体透水性随溶蚀程度变强而增大。
With strong permeability, it is easy to be absorbed and tighten the skin around eyes visibly.
渗透力强,易于吸收,用后眼周肌肤有明显的收紧感。
Using drainage ability strong permeability foam concrete can be as light, the gravel based on in or artificial turf, as a playground use.
使用排水能力强的可渗性泡沫混凝土作为轻质基础,上面覆以砾石或人造草皮,作为运动场用。
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