5265| 12
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設(shè)計(jì)樹(shù),裝配體設(shè)計(jì)樹(shù)中零件名稱(chēng)前面的(-)是什么意思? |
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點(diǎn)評(píng)
有的有(-) 有的沒(méi)有,不知有什么深意
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點(diǎn)評(píng)
恩
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點(diǎn)評(píng)
是這么回事。規(guī)范的說(shuō)法應(yīng)該叫“欠定義”吧
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