9471| 12
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聚氨酯(Polyurethane (shore 90A))材料加工 |
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點評
軟的,,要求刀具比較鋒利,,相應的切削三要素也高
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點評
指取得硬度的一種試驗方式,不管他就是了
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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