2m
<span style='display: inline !important; float: none; background-color: rgb(253, 249, 205); 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; line-height: 21px; 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;'>本题考查的知识点是防火墙防火检查。<span style='display: inline !important; float: none; background-color: rgb(253, 249, 205); 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; line-height: 21px; 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;'>紧靠防火墙两侧的门、窗、洞口之间最近边缘水平距离不得小于2m。防火墙设置在转角附近，内转角两侧墙上的门、窗、洞口之间最近边缘的水平距离不应小于4.0m，当采取设置乙级防火窗等防止火灾水平蔓延的措施时，距离可不限。<span style='display: inline !important; float: none; background-color: rgb(253, 249, 205); 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; line-height: 21px; 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;'>本题答案：。