再也不怕落鏈!無鏈條腳踏車誕生 創新機關「減少50%摩擦力」廠商掛保證:騎上去超省力
Friday, July 27, 2018 by JSDN
許多人在空閒時間都會騎騎腳踏車,不僅能節能減碳,甚至還能夠順便運動身體。只不過在你我的印象當中,所有...
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Friday, July 27, 2018 by JSDN
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