<span style="display: inline !important; float: none; background-color: transparent; color: rgb(0, 0, 0); 微软雅黑","helvetica neue","hiragino sans gb"; font-size: 14px; font-style: normal; font-variant: normal; font-weight: 100; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">防烟设施，3.00h
本题考查的知识点是避难走道。避难走道是指设置防烟设施且两侧采用耐火极限不低于3.00h的防火隔墙分隔，用于人员安全通行至室外的走道。本题答案：。