以上来源于: WordNet
On the wall of each floor must be posted evacuation plans on which fire extinguishers, fire hydrants, evacuation directions and viewer location must be clearly marked.
厂房，宿舍每层楼应有清晰的疏散路线展示图，图上应清楚标明安全出口，灭火器，消防栓的位置，疏散方向和看图者所在位置。
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