6719| 5
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沈陽機(jī)床的CA6140A車床,車公制螺紋的最小螺距是1mm嗎? |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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