River water quality environment management monitoring device
Intelligent double-body unmanned bait casting boat propelled by tail paddle wheel
Large intelligent unmanned feeding ship of triple-hulled vessel structure
Solar-driven sprinkling irrigation machine traction device
Efficient and stable hermetia illucens three-dimensional breeding system traction carrying device
Offshore floating type wind-fish fusion device with self-lifting capacity and implementation method
Air-land amphibious bird repelling robot for transformer substation