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Air bag girder type truss for large offshore platform
Unmanned ship for cleaning and sampling marine floating garbage and cleaning and sampling method
Movable rainwater collecting device for green energy-saving building
Study on the Floating Law of Metro Segments in Water-Rich Sandy Silt and Silty Clay Strata
Floating type blue-green algae separation ship and use method
METHOD OF SYSTEM OF AUTOMATICALLY CONTROLLING OPENING HEIGHT OF POWER TAILGATE FOR VEHICLE