2999| 2
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臺(tái)鉆改自動(dòng)精度能不能達(dá)到 |
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點(diǎn)評(píng)
這種臺(tái)鉆就是齒輪和齒條。
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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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