进风立井装备梯子间、排水管、压风管、消防洒水管以及动力电缆等，为进风井兼安全出口；
Equipped with a ladder into the air shaft, the drainage pipes, duct pressure, fire sprinkler pipe and power cables for safety into the ventilation shaft and exports;
据报道，仅一年时间，英国就有超过23万人在DIY 过程中受伤，其中4.1万人从梯子上摔下来。
It is reported that in just one year over 230,000 people were hurt while doing DIY in UK, including 41,000 who fell off ladders.
这个只有一间房的木屋有个专门用来储藏东西的阁楼，可以爬梯子到屋顶下面的那块平台。
The single-room cabin had a place for storing things, called a loft, on a platform under the roof, which was reached by climbing a ladder.
下面的脚步声走近了梯子，Simon倒退着，挤进了过道，来到两堆发霉的平纹织物的袋子间，从味道和触觉上看，里面应该装满了旧亚麻布。
The footfalls below approached the ladder. Simon wedged himself back off the aisle into a space between two musty plaincloth sacks that smelled and felt like they might be full of old linen.
登上梯子，在一间散发着，消毒水气味的昏暗公寓里，她看到了一个老人缩成一团，以一种他无法感受的哀伤颤抖着。
On the stair leading up into the disinfectant-smelling twilight of a rooming house, she saw an old man huddled, shaking with grief she couldn't hear.
设备的框架、平台连通地面的梯子个数按规范设计、安全疏散通道间的距离不大于50米。
Number of stairs in equipment structure, operation platform and ground conform to design specifications, and the distance between safety evacuation passages isn't more than one of 50 m.
设备的框架、平台连通地面的梯子个数按规范设计、安全疏散通道间的距离不大于50米。
Number of stairs in equipment structure, operation platform and ground conform to design specifications, and the distance between safety evacuation passages isn't more than one of 50 m.
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