20108| 30
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工件加工完畢,,清洗烘干后涂油包裝,幾天后就生銹 |
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點評
這個還真的不知道,。
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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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