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person:("Liu, yuhui")
Intelligent hoisting control system for factory bridge crane
Storage tank fluid obtaining device suitable for common-bottom storage tank
Construction method and supporting structure for changing length of cargo boom of tower crane in air
Array type micro-cathode discharge propulsion system in three-dimensional vector direction
Tower crane supporting structure and implementation method
Ionic liquid electrospray thruster suitable for high-pressure storage and supply module
Low-pressure liquefied gas thrust generating method for spacecraft
Solid cold air generator structure for space propulsion system
Plate type liquid accumulator for rapid maneuvering of spacecraft