Ship air conditioning device utilizing biomass energy and working method
Fiber blended fabric reinforced quartz-based composite material and preparation method thereof
Anti-rust ointment supplementing device for stay cable of cable-stayed bridge
Semi-submersible type anti-collision offshore charging pile
Injection type device and method for repairing and treating polluted bottom mud of rivers and lakes
Cutting-resistant mine tire tread rubber composition, preparation method, application and tire
Automatic turnover system and method for vehicle chassis
Offshore floating type chemical fertilizer production platform
Plant protection unmanned aerial vehicle anti-interference excess material detection device
Excess material detection device of plant protection unmanned aerial vehicle
Multifunctional agricultural operation unmanned aerial vehicle