After the transforming, the drainage ability of elevated roads of the Inner Ring Line has been ra...

通过改造提高了内环高架路的排水能力。

youdao

After the transforming, the drainage ability of elevated roads of the Inner Ring Line has been raised.

通过改造提高了内环高架路的排水能力。

youdao

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。

youdao