2368| 14
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直徑200不全形光滑塞規(guī)圓度要求多少? |
評(píng)分
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點(diǎn)評(píng)
你非要問(wèn),,那我說(shuō)1/3合理( ̄▽ ̄)"
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點(diǎn)評(píng)
不合理,。本就是不全形量規(guī),,尺寸又比較大,3u合適,。
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