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hook ladder /ˈhʊk ˈladə/ n

中文：挂钩梯

中文 · 挂钩梯Español · escalera de ganchoFrançais · échelle à crochets
Meaning：Straight ladder with one end having fixed or detachable hooks to keep the ladder in place on a structure.
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Found in these illustrated scenes（2）

Ladders and steps Firefighting Equipment

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