3032| 5
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關于覆銅板剪切質量的問題,,求指導,! |
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點評
關鍵它是復合板,,一個斷面有兩種材質
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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,浙公網安備33038202004372號 )
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