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請(qǐng)教,,螺紋車(chē)刀的刀尖圓弧半徑是標(biāo)準(zhǔn)的嗎,? |
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點(diǎn)評(píng)
螺紋車(chē)刀和普通車(chē)刀一樣,,刀尖圓角半徑只有…0.4,、0.8,、1.2…等幾個(gè)值?
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