4817| 13
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自動(dòng)攻絲機(jī)以及人工攻絲漏攻絲問(wèn)題 |
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點(diǎn)評(píng)
切削絲錐攻絲前后底孔徑不變。
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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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