3200| 7
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有沒有懂焊接和疲勞的大神,請幫忙解答問題 |
點評
看不到具體焊縫的設計,不太好說。
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Archiver|手機版|小黑屋|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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