英语达人请进，帮忙翻译一小段话，谢谢了，别用在线翻译的软件

The design of new telescopic ladder

The ladder can be used on the stairs with two brackets(legs) Stretched differently 。
The Structure of the telescopic can be used for engineering ladder herringbone ladder sa as to enlarging the operating environment and solve the demand of working in the special environment,dealing with problems on the stairs 。
It is film of the part of the ladder telescopic to protect people in the safety when using a ladder.
手动翻译，考虑了语句的通顺河自然，比如第一句可知直接翻译成这样比较简单，看着也舒服

operating environment(产品的)使用环境
【俊狼猎英】团队为你解答

Design of new extension type straight ladder

This is ladder can be used in stair. It's legs can be extended with different length. This contruction is also suitable for engineering ladder and herringbone ladder. It can be applied in more environments, and meets people's requirements when working in special environment. It helps people slove problems on stairs. The construction of extendable part is fastened to ensure the safety of using the ladder.

诚意手译，请鉴定。

给您一个专业的，可以放心使用的翻译：
The Design of a New Retractable Vertical Ladder

This is a ladder that can be used on the stairs and the two legs of this ladder can be extended to different lengths This retractable structure can also be applied on construction ladders and step ladders thereby extending their application scope and fulfilling the requirements in special working environments, as well as helping people to handle their work on stairways. The retractable component of the ladder is very strong and secure in order to ensure the safety of the ladder users.

【英语牛人团】

A New Type of Scalable Vertical Ladder

It is a ladder that can be used on stairs. The legs of the ladder have a range to be stretched. The ladder can also be used as engineering or herringbone ladder. So it has a broader
range of application, making it possible for users to use the ladder in special working experiment and to work on a ladder. The scalable parts of the ladder are robust and firm to ensure the safety when peopeing using it.

您好，我是专业翻译，如果有什么地方不明白，我会细心给你解答。谢谢

The design of new telescopic ladder

This is a ladder which can be uesd on the stairs. The two legs of the ladder can be prelonged to different extent. This flexible structure, which can also be applied to Engineering Ladder and Herringbone Ladder, makes the ladder to be used in a wide range, solves people's special needs in specific work surroundings and helps them deal with problems on the stairs.

The sound structure of this kind of ladder protects people from danger when using it.

A new design of ladder with adjustable leg

The ladder can be used on the staircase with tadjustable leg in different heights. The structure of adjustable leg can be applied to ladders used for engineering and A-type-ladder to extend the application into wide environment and meet requirement under special working condition. The structure of adjustable element is not only robust but also reliable to protect user's safety

注意：删掉了原文中的重复的地方如“ 帮助人们在楼梯上工作处理问题”这在第一句中已经说明了的作用。其它按照英文的习惯作了概括性的加减处理。

蒽、这是翻译：New retractable ladder straight-this is a design can use on the stairs of the ladder, ladders legs can elongation, and the length of the expansion can be different. The structure of the expansion can also be used to project ladder person word ladder, so make the use environment of ladder expand, solve people in special working environment of demand, help people work on the stairs with the problem. The ladder of escalation of solid structure, protect people in the safety when using a ladder.
还望采纳，谢谢