1372| 10
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等變位齒輪問(wèn)題 |
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點(diǎn)評(píng)
忘記說(shuō),,兩個(gè)輥可以相交,輥上有槽
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點(diǎn)評(píng)
好
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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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