4063| 2
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螺旋葉片的展開和計(jì)算方式,請(qǐng)問這個(gè)哪里有問題? |
點(diǎn)評(píng)
螺旋線長(zhǎng)度=周長(zhǎng)×螺旋角 螺旋角的正切應(yīng)該是螺距比直徑
用作圖法放樣校準(zhǔn)一下
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