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River sewage treatment equipment and water treatment method thereof
A Fast Estimation Method of Soil Discharged by an Earth Pressure Balanced Shield Machine
Auxiliary cable hanging system of deck crane and using method of auxiliary cable hanging system
Device improving stability of wind power installing ship and using method of device
Automatic opening and adjusting armrest box, control method and automobile
Counterweight system for trailer mechanized bridge and using method thereof
Device and method for automatically leveling and aligning bridge deck crane
Segmented integral hoisting method for steel structure coal transporting trestle
Stall protection device for trackless rubber-tyred vehicle