2018| 13
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機械制圖(16)——各種螺紋的應(yīng)用 |
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點評
好的,,這方面內(nèi)容較雜,,另發(fā)一帖吧
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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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