透明持久对象层
transparent persistent layer
立方氮化硼表面硬化层
hardened surface layer containing cubic boron nitride(c-BN
沥青层结构组合
structural combination of asphalt layers
沥青防潮层
asphalt dampproof course
asphalt damp-proof course
沥青防腐层
asphalt corrosion resistant layer
沥青混凝土加铺层方案
Asphalt concrete overlay plan
沥青混凝土面层底面
bottom surface of asphalt concrete pavement
沥青混凝土铺装层
asphalt concrete pavements
deck asphalt pavement
asphalt concrete wearing courses