A、<p><span style=" font-family: 宋体;">防烟楼梯间</span><span style="font-family: \'Microsoft YaHei\'; "> </span></p>
B、<p><span style="font-family: 宋体; ">前室</span></p>
C、<p><span style="font-size: 14px; font-family: 宋体;">消防合用前室</span></p>
D、<p><span style="font-family: 宋体; ">封闭避难层</span></p>
A、<p><span style=" font-family: 宋体;">防烟楼梯间</span><span style="font-family: 'Microsoft YaHei'; "> </span></p>