3232| 7
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為什么主視圖和側(cè)視圖兩個(gè)標(biāo)注的尺寸不相同 |
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點(diǎn)評(píng)
有可能一個(gè)標(biāo)的是圓心。
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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