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下列关于标高标注说法错误的是______________.

A、标高是标注建筑物高度的一种尺寸标注形式

B、标高包括相对标高和绝对标高两种

C、建筑物底层地坪高度是相对标高的零点

D、标高数字一般保留四位小数

时间：2021-09-01 20:47 关键词：联大河南理工大学土木工程建筑CAD2

答案解析

D

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