6674| 12
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孔公差代號(hào)會(huì)有小寫嗎 |
點(diǎn)評(píng)
基軸制是軸公差代號(hào)小寫
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點(diǎn)評(píng)
哈哈,此法甚好!!!
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點(diǎn)評(píng)
這種標(biāo)法,要么基孔,要么基軸,否則直接標(biāo)上下極限
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