怎么加工硅鋼轉(zhuǎn)子,? |
點(diǎn)評(píng)
線速172.7,至于這個(gè)結(jié)果怎么來(lái)的,,請(qǐng)翻書(shū),,或度娘。線速,,轉(zhuǎn)速的關(guān)系
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