道路维护 meaning in Chinese

road maintenance

Road maintenance - grass cutters brush cutters , flail mowers and mechanical plant cutting machines - performance assessment
道路维护.割草机灌木铲除机甩刀式割草机和机械设备切割机.性能评定
Road maintenance equipment and products - hydraulic drive device adapted into salt speader and snow clearing blade carrying vehicles - characteristics and specifications
道路维护设备和产品.洒盐机和扫雪车的液压驱动装置.特性和规范
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层是一种新型的道路表面处理解决方案，是具有国外知识产权的、代表当今世界道路维护技术潮流和方向的预养护方案之一。