折梯，是土木工程用品，协助工作人员在工地上高落低，有如活动楼梯。折梯用时打开，用完折合起来，方便转移。
折梯 ladder ; stepladder ; folding ladder ; FOLDING
六关节折梯 BLAF
梯度折射率 GRIN ; Nano-GI
折叠梯 attic ladder ; collapsible ladder folding ladder ; folding ladder ; folding laddercollapsible ladder
层间双折楼梯 [建] dog-legged stair
折叠式梯 collapsible ladder
折叠扶梯 fold-away stairway
阶梯折射率纤维 step index fiber
阶梯折射率剖面光波导 step graded index lightguide
今年所有的苹果都红了。我的侄女和侄子今天上午就要带着折梯出去摘一些。
This year all the apples are all red. My niece and nephew are going out this morning with step-ladders to pick some.
我们上阁楼要用折梯。
屋角放著一架小巧玲珑的折梯，说明架子上层的书也是准备随时取用的。
A pretty portable pair of steps in one corner of the room showed that those even on the higher shelves were intended for use.
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