COOLING AND CLEAN ROAD SYSTEM CAPABLE OF ADJUSTING A NOZZLE HEIGHT AND CONSTRUCTION METHOD THEREOF
ROAD SPRAY SYSTEM CAPABLE OF CONVENIENT MAINTENANCE AND CONSTRUCTION METHOD THEREOF
TRAFFIC LIGHTS INTERLOCKED COOLING CLEAN ROAD SYSTEM AND CONSTRUCTION METHOD THEREOF
Multifunctional intelligent rod based on Internet of Things
AUTOMOUS SELF-POWERED SALT SPRAY DEVICE ANT THE CONTROLLING METHOD THEREOF