2977| 7
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傳動(dòng)平滑的鏈傳動(dòng),有沒有 |
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評(píng)分
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點(diǎn)評(píng)
以前做質(zhì)檢的時(shí)候見過(guò),現(xiàn)在忘記那家做的,不好意思
請(qǐng)問(wèn)哪家做的好?是否可以介紹一下?
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點(diǎn)評(píng)
請(qǐng)問(wèn)用啥樣的皮帶比較合適?可靠嗎?
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