铁路固定设备。通讯和信号装置架空线路用器材。钢筋混凝土电杆上横梁固定用板。
Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.
铁路固定装置。通讯和信号装置架空线路用器材。钢筋混凝土电杆支撑卡箍。
Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.
铁路固定装置。通讯和信号装置架空线路用器材。钢筋混凝土电杆支撑卡箍。
Fixed railway installations. equipment for overhead telecommunication and signalling lines. bracing collars for reinforced concrete posts.
铁路固定设备。通讯和信号装置架空线路用器材。木电线杆钭撑用卡箍。
Fixed railway installations. Equipment for overhead electric telecommunication and signalling lines. Bracing collars for wooden posts.
铁路设施。固定装置。电气牵引架空接触线。
Railway applications - Fixed installations - Electric traction overhead contact lines.
铁路立交桥涵施工重点为桥涵预制和铁路架空顶进，桥涵顶进是立交桥施工质量控制的最重要的一个环节。
The bridge prefabrication and culvert and overhead jack-in of railway are key points for construction of railway overpass bridge and culvert.
铁路立交桥涵施工重点为桥涵预制和铁路架空顶进，桥涵顶进是立交桥施工质量控制的最重要的一个环节。
The bridge prefabrication and culvert and overhead jack-in of railway are key points for construction of railway overpass bridge and culvert.
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