详细阐述了系统的主要运行模式，并应用该系统在严寒地区进行实验研究。
The primary operation conditions of the system were demonstrated particularly. The experiments of applying this system were performed in severe cold area.
因此，深入研究轻钢龙骨复合墙体的节能设计方法，对于在严寒地区推广应用这种结构体系具有重要意义。
Therefore, it is important to study on energy saving design method of light-gauge steel-framed composite walls in order to use it in cold areas.
为此，提出了采用混合气体，或者采用加热SF6气体的方法，解决高压SF6断路器在严寒地区可靠运行的问题。
So puts forward adopting mixed gas or taking heating SF6 gas to solve SF6 breaker reliable operation in rigid area.
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