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請(qǐng)教高手,有關(guān)粗細(xì)螺紋的區(qū)別以及使用場(chǎng)合。 |
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Archiver|手機(jī)版|小黑屋|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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