individual-rung ladder
各节梯级都固定在建筑物上的梯子
the rounds of a ladder
梯级, 梯子的横档
It is suitable for inspection of all kinds of wells, water towers, civil defenses, slope, undergrounds, tunnels, civilian construction, industrial building ect, as the fixed climbing-up and down ladder.
适用于各类检查进、塔、防工程，边坡地铁隧道，民用建筑，工业建筑等作固定上下梯。
The ladder rests firmly against the tree.
梯子稳固地靠在树上
sitting on the top/bottom step
坐在最上[下]的梯级上.
16 Access ladder(s) shall be provided with each scaffold built.
进出梯子必须与各脚手架一起建筑。
This lets you climb up any building by creating a makeshift ladder.
这样你就能通过这个梯子的替代物来爬上任意一个建筑。
The child was sitting on the bottom stair.
那孩子正坐在楼梯最下面的一级上.
a precarious footing on the ladder.
梯子上不稳定的立足点。
An open space extending vertically through the floors of a building, as for stairs or ventilation.
楼梯井，通风井垂直地通过建筑物各层的开阔空间，如为了建楼梯或通风
fitting ,of plastics, for permanent installation in or on staircases
塑料配件,用于楼梯间内或楼梯上的固定装置
Whenever I am late, as sure as fate I meet the boss on the stairs
像命中注定的,每次迟到我都在楼梯上碰到老板
Whenever I'm late, as sure as fate I meet the boss on the stairs.
像命中注定的,每次迟到我都在楼梯上碰到老板。
Strengthening and alternation of existing commercial building for additional escalator
既有商业建筑增设自动扶梯的加固改造
Circulation : A foyer, corridor, stair, lift or other area for the movement of people within a building
通道:建筑物内供人们走动的空间，如休息室，走廊，楼梯，电梯等
An often portable structure consisting of two long sides crossed by parallel rungs, used to climb up and down.
梯子一种通常是可移动的结构物，由长长的两边和两边平行的梯级连接组成，用于爬上爬下
a stairway (often on the outside of a building) that permits emergency exit in the case of fire.
一段楼梯（经常在建筑物的外边）用于保证在火灾中的紧急逃亡。
head of the stairs
一段楼梯的最上一级