樓主: Insigne
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號(hào)稱全球最省力的自行車,傳動(dòng)效率高達(dá)99% |
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點(diǎn)評(píng)
這個(gè)不高,吊起來的才高
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),,浙公網(wǎng)安備33038202004372號(hào) )
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