back pedal brake with balls for cycles是什么意思、英文翻译及中文解释

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back-pedal brake with balls for cycles

back-pedal brake with balls for cycles是什么意思、英文翻译及中文解释

词语: back-pedal brake with balls for cycles

解释: 自行车带球端的后闸

词典: 专利专业英汉词典