β-CoOOH coated spherical β-NiOOH as the positive electrode material for alkaline Zn-NiOOH battery
Vehicle interrogation recommendation method and system and storage medium
Variable speed transmission system of hybrid electric vehicle
VARIABLE-SPEED TRANSMISSION SYSTEM FOR MULTI-GEAR HYBRID ELECTRIC VEHICLE
Urban rail transit signal monitoring and maintenance support device
Transferring device for large-caliber HDPE (high-density polyethylene) culture fish tank
Switch machine mounting structure and mounting method thereof
Super-high-altitude fire rescue system and rescue method thereof