crane ladder的意思|示意

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Crane ladder and ladder are English words, and there is a great difference between them. A ladder is an object made of poles, wood or metal. It has a flat surface and several steps, allowing people to climb to a higher place. The ladder can be used in the workplace, home, or as a firefighting tool.

A crane ladder, on the other hand, is an extendable ladder made of metal with a hook at the top. It is usually used for indoor and outdoor construction and maintenance operations, such as installing signage, painting buildings, and cleaning windows.

In conclusion, the English word “ladder” refers to an object that people use to climb to a higher place. The word “crane ladder” is used to describe a tool used in construction or maintenance operations.