<晴风村n style="font-family: Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "\\5FAE软雅黑", Arial, sans-serif; font-size: 16px; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 28.8px; widows: 1;">避难硐室防护密闭门开启灵活、快捷、可靠,水、气双重密闭、强度高、可有效防止有形和无形损耗、安装方便,可以承受1.0MPa的冲击波,并能有效隔 晴风村n><晴风村n style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; font-family: Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "\\5FAE软雅黑", Arial, sans-serif; font-size: 16px; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 28.8px; widows: 1;">有毒有害气体,具有应急门和观察窗口。使用寿命能达到10年以上。
晴风村n>