mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">同一物体各图形中的剖面符号

【单选题】【消耗次数：1】

① 间距可不一致

② 无要求

③ 必须方向一致

④ 方向必须一致并要间隔相同

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