8978| 22
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同步帶輸送線用哪種同步帶? |
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點評
直接圓弧齒 畢竟價格差不多 圓弧齒各種性能都比梯形齒好
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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