12735| 14
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管子直徑不一,切割角度怎么計算、劃線比較簡單 、方便? |
點評
鈑金展開計算書籍里有計算公式。
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點評
45度角尺按照投影原理劃線,輕松搞定。
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Archiver|手機版|小黑屋|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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