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Bionic fish capable of fishing pollutants at pond bottom
Convenient and flexible multifunctional inspection vehicle
Crane alarm device for electric power facility and working method
Device for installing and positioning horizontal support
Engine cooling system, vehicle, control method and storage medium
Hollow structure composite material control arm and preparation method thereof
Hollow structure composite material control arm and preparation method thereof
Method for manufacturing coil spring and variable pitch coil spring
Portable unmanned aerial vehicle takeoff and landing platform
Preparation method of synthetic leather with patterns, artificial leather and application thereof
Tail door inner plate forming method and tail door inner plate
Unmanned aerial vehicle measurement system based on Beidou positioning
Vehicle-mounted double-city weather display method based on LBS navigation mechanism