7300| 35
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3D打印都還沒搞懂,,4D就已經(jīng)來了 |
評分
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點評
可以是復合材料(該材料做骨架),,應用就廣了,。
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點評
我國的革命早已啟動,,革老百姓的命!
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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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