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This invention aims at providing a time-sharing reinforcement support method for filling roof cutting block roadway without coal pillars and…
This invention aims at providing a multi-element composite ship-type artificial reef and a reconstruction method to solve the above problems,…
This invention is geared towards providing an assembled steel structure which would improve the assembly efficiency in the building assembly…
This invention entails a damage identification method for continuous beam based on shape characteristics of strain influence lines to solve…
The invention aims to provide a building construction wastewater treatment device, which comprises:The first processing mechanism comprises a first box…
