LUANNAN COUNTY, Hebei Province, China - September 17, 2020: Application of OCS support in electrified railway construction site

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Keywords: background, beauty, belt, blue, bridge, china, construction, development, economy, electrification, engineering, equipment, facilities, high, industry, infrastructure, installation, investment, metal, north, ocs, production, railway, safety, scenery, site, sky, speed, steel, structure, sunny, support, transportation, truss, unfinished, weather, workers