System and method for monitoring underwater respiration and life maintenance of beagle
Water quality monitoring device and water quality adjusting system for fishpond
Semi-submersible type anti-collision offshore charging pile
Anti-rust ointment supplementing device for stay cable of cable-stayed bridge
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
Cartridge clip type flame bomb launching device convenient to assemble and disassemble
Ship navigation method and system suitable for large-water-level variable-amplitude long tunnel
HIGH-PRECISION POSITIONING SYSTEM AND POSITIONING METHOD FOR COAL-MINE UNDERGROUND MONORAIL CRANE
Automatic turnover system and method for vehicle chassis
Multi-hinged type vehicle deviation rectifying system and deviation rectifying method
Offshore floating type chemical fertilizer production platform
High-precision tower falling structure applied to microgravity test