單項(xiàng)選擇題

創(chuàng)建新零件時(shí)可自動(dòng)生成軸系,且軸系定義于模型的原點(diǎn),并使用默認(rèn)參考平面來(lái)確定方向。若要更改此項(xiàng),則應(yīng)該選中對(duì)話框中的哪項(xiàng)?()

A.create a geometrical set
B.create an axis system
C.create an ordered geometrical set
D.create a 3d work support


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