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Motor driven roller skates for inner city use do not require parking places are environmentally friendly
Motor driven roller skates for inner city use do not require parking places are environmentally friendly
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机译:市区内使用的电动溜冰鞋不需要停车位,对环境无害
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摘要
The motor driven roller skates have electrical or combustion motors integrated in the rollers which are linked by spring suspension and fed from batteries in a waistcoat with remote control and regenerative charging of the batteries possible and attractive outer casings fitted.
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