triangular truss bridge是什么意思

用法例句

The design principle and methods are analyzed and a new kind of special-shaped shelf-chair which can be deformed and combined easily and can also be used as a shelf is developed,which adds new f.

本文利用TRIZ理论,对传统座椅的结构和功能进行创新,在分析其设计原理和设计方法的基础上,开发了一种可随意变形、组合并具有台架功能的异形架椅,使座椅在原来功能的基础上增加了空中操作功能,以替代现有的A字形梯,适合于家庭和室内使用,且安全方便。