6864| 17
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鑄造鋁合金,表面有孔洞 |
點(diǎn)評(píng)
金屬模澆鑄似乎這個(gè)很難避免,可以盡可能減少,但杜絕不了
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Archiver|手機(jī)版|小黑屋|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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