13920| 49
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孔徑配合問(wèn)題 |
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點(diǎn)評(píng)
很多人不看單位的。想起來(lái)那個(gè)做個(gè)迷你設(shè)備的一萬(wàn)元的那個(gè)。英制看成公制的那個(gè)。還洋洋自得。估計(jì)是笑話(huà)。
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點(diǎn)評(píng)
( ̄▽?zhuān)?"
評(píng)分
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