The basic structure of the Ice and Fire books is familiar enough.
《冰与火之歌》的基本脉络大家一定都很熟悉了。
Steel structure of outdoor environment, generally do not consider fire protection.
室外环境的钢结构，一般不考虑防火保护。
The design difficulties of skyscraper mainly lie in building structure, fire safety and vertical transport.
摩天楼的设计难点主要在于建筑结构、消防安全与垂直交通体系。
The fire-resistant glass consists of single and compound glass according to the structure.
防火玻璃按结构分等级，可分为单层防火玻璃和复合防火玻璃。
The fire-resistant glass consists of single and compound glass according to the structure.
防火玻璃按结构分等级，可分为单层防火玻璃和复合防火玻璃。
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