Post at all exit doors的意思|示意
美 / /
英 / /
在所有出口站岗
Post at all exit doors的网络常见释义
所有安全通道贴有标识 ...ire that is not immediately dangerous to personnel非即刻造成伤害的火情逃生法 Post at all exit doors所有安全通道贴有标识 Drives process for fire drills火警演习 ..