Micro - surfacing is used to maintain road surface with special machine . this kind of machine continuously loads materials , which are calibrated precisely inside the machine , then thoroughly mixed and spread on the road 多功能改性超薄磨耗層是一種新型的道路表面處理解決方案,是具有國(guó)外知識(shí)產(chǎn)權(quán)的、代表當(dāng)今世界道路維護(hù)技術(shù)潮流和方向的預(yù)養(yǎng)護(hù)方案之一。