self-climbing steel-form

例句：

1. 1.The self-climbing steel-form is a popular choice for outdoor recreational activities.
   自爬式钢制结构是户外休闲活动的一个受欢迎选择。
2. 2.This self-climbing steel-form has been designed to withstand harsh weather conditions.
   这种自爬式钢制结构已经设计成能承受恶劣天气条件。
3. 3.The construction of the self-climbing steel-form was completed ahead of schedule.
   自爬式钢制结构的建设提前完成了。