【多选题】
上覆、盖板外形尺寸、设置的高程应符合设计图纸的规定,外形尺寸偏差不应大于(),厚度允许最大负偏差不应大于(),预留孔洞的位置及形状,应符合设计图纸的规定。___
A. 5mm
B. 10mm
C. 15mm
D. 20mm
E. 25mm
F.
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答案
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