[单项选择]关于幕墙预埋件锚筋施工工艺的说法,正确的是()。 A. 直锚筋与锚板应采用T形焊 B. 锚筋直径不大于20mm时,宜采用穿孔塞弧焊 C. 锚筋直径大于20mm时,宜采用压力埋焊 D. 采用手工焊时,焊缝高度不宜小于8mm
参考答案:A
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