1740| 1
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塑料件材料是ABS,采用后壓的方式,孔和鐵件的間隙配合有要求嗎? |
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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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