2705| 18
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請教,更好,更方便的塑料件的扣合方式! |
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點評
做密封是為了防水,還是為了防什么?
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小黑屋|手機版|Archiver|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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