A.橫平豎直 B.深淺一致 C.寬窄均勻 D.光滑順直
A.平直 B.潔凈 C.接口嚴密 D.安裝牢固
A.幕墻表面平整度為2mm B.板材立面垂直度為2mm C.相鄰板材板角錯位1mm D.接線直線度3mm E.接縫高低差1mm