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壓縮空氣軟管結(jié)構(gòu)請(qǐng)教 |
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點(diǎn)評(píng)
有可能是,設(shè)備中間有個(gè)氣密性檢測(cè)的工位
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點(diǎn)評(píng)
敲了敲,管子感覺像是空的
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