斜度的四种标注哪一种是正确的()

A .https://assets.asklib.com/images/image2/20170809131033900.jpg B .https://assets.asklib.com/images/image2/2017080913104173060.jpg C .https://assets.asklib.com/images/image2/2017080913105562429.jpg D .https://assets.asklib.com/images/image2/2017080913110036470.jpg

时间:2022-11-04 15:23:20 所属题库:AutoCAD题库

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