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person:("wang haijun")
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person:("wang aijun")
Integrated automobile window inner and outer water retaining structure
Influence of ternary co-doping on thermo-physical properties of YSZ thermal barrier coatings
Point type connection and separation moonlet platform structure carrying plenty of propellants
Single storage box mounting device suitable for large-size inner diameter bearing cylinder
Swing arm mechanism for pressing and releasing effective load of satellite