8232| 16
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怎樣能快速在車床上找正不規(guī)則的圓的圓心,?求助 |
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點(diǎn)評(píng)
橢圓,?半圓,?3/4圓?應(yīng)該可以歸類不規(guī)則圓吧,。,。。哈哈,,愚見(jiàn),。。
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