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xinjiang branch of jinghang airport: make new breakthroughs in non-suspension flight construction techniques

        when the urumqi airport surface renovation project department of jinghang airport conducted the road surface reconstruction process, technicians made bold trials in technical innovations and broke two technical difficulties: the 11-kv electric joint cutter adopted cutting dicks whose diameters were 80 cm. the cutting in-depth was between 20 and 22 cm. large-power trenchers were used to eliminate notch grooving. the trench was 8 cm in width and 20~25 cm in depth. the average speed of digging a trench was over 80 m/h, which basically solved the issues of common electric pick elimination, including high safety risks, uneven depth and high consumption of human labor.