设备养护 meaning in Chinese

maintenance of equipment

The railway infrastructure corporation , responsible for the fixed facility maintenance and operation which include buildings and structures maintenance , water and electricity supply , signal repair and track maintenance , is composed of mechanized track maintenance corporation and synthetic maintenance corporation
固定设施运营维修由机械化维修公司和固定设施综合维修公司组成，集房建、信号、水电和线路设备养护维修于一体。线路设备综合维修和检查检测以机械化为主，由机械化维修公司负责。
Combining the rules of conserve railroad equipments , with the structure and the force peculiarity of . to stability the switch fundament as fast as possible , and sustain the structure strength and track framework rigidity , the check method , repair period and item of are discussed . furthermore , the problems how to bring into play the technical character of in the and operation
按照线路设备养护维修的原则，结合提速道岔的结构形式和受力特点，为了尽快稳定道岔基础、保持道岔结构强度和框架刚度，探讨了提速道岔的检测方法、维修周期和维修项目，同时讨论了在日常养护维修和道岔使用中如何发挥提速道岔的技术特性等问题。