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我是從建筑轉(zhuǎn)行干機(jī)械設(shè)計近三年,到現(xiàn)在感覺機(jī)械設(shè)計水平成長很慢,,希望各位指點 |
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小黑屋|手機(jī)版|Archiver|機(jī)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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