Water source dredging and discharging device for highway subgrade arrangement - WEN CHENGUANG; LIN XINWU; LUO JUN; FENG XU (2022)
Keywords: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FIXED CONSTRUCTIONS; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR