2887| 22
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一個齒輪的工程圖標注 |
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點評
你查查gb10095就知道,它的8 FH是不對的
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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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