Makes the reasonable appraisal to the road surface practical performance, is the surface maintenance management system basic constituent.
对路面使用性能作出合理的评价，是路面养护管理系统基本的组成部分。
Emulsion slurry paver is a kind of road surface treatment method used in road maintenance in our country recently.
稀浆封层是近几年在国内道路施工中，推广的一种用于道路预防性养护的表面处治方法。
High pressure cleaning vehicle was a type of specialty vehicle for road surface cleaning, maintenance and environmental protection.
高压清洗车是城市路面清洁、路面维护和防治环境污染的专用车辆。
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