5207| 21
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配鉆的孔需要標定義尺寸嗎,? |
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點評
對于做工藝的人來說,,需要這個尺寸,,看看配作的時候有沒有加工干涉
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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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