铺砂

paving slabs───铺路板

paving stone───铺路石

paving slab───铺路板

paving stones───[公路]铺路薄片石

backing band───[建]背圈

falling band───下降带

farming land───农用地

River sand shall be paved with the progress of bricklaying and extensive paving in advance is forbidden.───河砂滑动层在砌筑时，要随砌随铺，禁止大面积预先铺放。

The concrete method of paving sand or rubble cushion was introduced and the influence factors to cushion quality was summarized.───介绍了铺设碎石层的具体做法，对影响垫层质量的因素进行了总结。