2005| 6
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一般情況,,粗糙度Ra在多少以下,,不宜用粗糙度樣板比對(duì)檢查? |
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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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