Process of Gas Pipe Laying in Trench Building Gas Supply System Repair Works on Construction Site

Looped Video: No, Frame Rate: 25, Resolution: 3840x2160, Video Encoding: H.264, File Size: 358.56MB, Number of Clips: 1, Total Clip(s) Length: 00:21, Source Audio: No

process of gas pipe laying in trench, building gas supply system, repair works on construction site, installation of distribution unit of heating and water supply network

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