9138| 17
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求解!齒頂圓比分度圓小了,正常么? |
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點(diǎn)評(píng)
有個(gè)是外圓減去標(biāo)準(zhǔn)外圓,除以而, 就是變位,這樣算對(duì)么====不對(duì)!手冊(cè)上有公式。別走捷徑。
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