3798| 7
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POM的硬度多少 |
點評
發現沒有塑料硬度跟金屬硬度對比的表格啊,好像他們是2套標準,直觀不了
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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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