fold emergency ladder 折叠式紧急疏散梯
Emergency escape ladder [安全] 救生梯 ; 应急梯 ; 应急脱险梯
emergency exit ladder 应急出口梯
All emergency ladder safety chains shall be up at all times except when person is entering or leaving ladder.
所有紧急梯安全链要随时挂上，除人员正在进入或离开梯子时。
But emergency crews who unblocked the shaft said they had left a ladder at the site for other miners to use if they decide to leave overnight.
但是打通矿井的紧急救援人员说，他们在井口留下一个梯子，如果矿工决定夜间离开，他们可以使用这个梯子。
The rescue involved inserting a narrow ladder into the elevator from above, through the emergency hatch, Captain Melvin said.
此次救急方案中，还涉及到从高处塞进电梯一个窄的梯子。
应用推荐