2918| 3
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齒輪的法線齒距是啥,? |
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點(diǎn)評(píng)
難道是印刷錯(cuò)誤嗎?
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點(diǎn)評(píng)
但是它是在講直齒輪啊 不是斜齒輪
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點(diǎn)評(píng)
但是書當(dāng)時(shí)還沒有提到斜齒輪呢 都在說直齒輪
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