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
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
back-pedal brake with balls for cycles
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