GB/Z 18029.4-2021轮椅车第4部分:电动轮椅车和电动代步车理论能耗的测定标准
英文:Wheelchairs—Part 4:Energy consumption of electric wheelchairs and scooters for determination of theoretical distance ...
英文:Wheelchairs—Part 4:Energy consumption of electric wheelchairs and scooters for determination of theoretical distance ...