4382| 7
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鑄件上的孔只能靠后期加工嗎,? |
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點評
精鑄要先做臘模,,再附上砂,,形成殼,受覆模砂工藝限制,,深孔質(zhì)量無法保證,,成品率低
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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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