【单选题】【消耗次数：1】
门设置贴脸板的主要作用是()。
①
隔声
②
在墙体转角起护角作用
③
掩盖门框和墙面抹灰之间的裂缝
④
作为加固件，加强门框与墙体之间的连接
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会使轻钢龙骨石膏板隔墙板与墙体、顶板、地面连接出现裂缝的操作不包括( )。
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边框龙骨与主体结构固定时，固定前未铺垫一层橡胶条或沥青泡沫塑料条
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计算墙面抹灰工程量规定正确的是（BC）
①
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