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【多选题】
下列关于门窗安装的说法正确的有( )。A.
钢门窗框的铁脚与墙上预埋铁件焊接牢固
B.
木门框与加气混凝土砌块墙通过木螺钉连接
C.
门窗与轻钢龙骨石膏板隔墙通过木螺钉固定
D.
在砌体上安装门窗宜采用射钉固定(射钉只能用于混凝土)
E.
金属门窗的安装可采用先安装后砌口的方法(先预留好洞口再安装门窗)
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