?轮边减速
... 减速比Speed reduction ratio 轮边减速Hub reduction 型式Type ...
车辆 轮边减速器
行星齿轮轮毂减速
锥齿轮轮毂减速
The project has also been supported by Low Carbon Hub, which helps community groups across Oxfordshire develop renewable energy and energy reduction projects.
BBC: Oxford's Osney Lock hydroelectric plant cash total raised
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