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person:(zhang zhang)
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person:(zhang zhao)
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person:(zhang chan)
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person:(zhang zhen)
Novel rechargeable intelligent mechanical parking garage
Supporting device of outward turning type airplane emergency door and using method
Intelligent new energy charging garage and working method thereof
WINDOW STRUCTURE, DOOR WINDOW ASSEMBLY AND AUTOMOBILE
Underwater robot for rapid maintenance of dam body bottom cracks
Steel column hoisting device and construction method thereof
0 # block diaphragm tower crane foundation construction method
Cassegabion side board caisson throwing construction technology
Bridge floor separation zone cover plate mounting trolley and mounting method
Multidirectional operation platform for electric power overhaul
High-speed railway platform door based on dislocation structure and control method thereof
High-speed rail platform door with adjustable door opening position
Urban rail transit non-network application library and power supply system
Cable rope abrupt slope construction device and technology
License plate recognition camera for intelligent parking