2对火反应试验火焰传播第2部分：直立布局中建筑产品侧面火焰蔓延程度。
ISO 5658-2 Reaction to fire tests-Spread of flame Part 2: Lateral spread on building products in vertical configuration.
高温下钢材力学性能的确定是进行钢结构抗火反应分析的重要组成部分，为此进行了一系列钢材高温材性试验。
The determination of mechanical behaviour of structural steel at high temperatures is of particular importance for fire resistant analysis of steel structures.
链反应被破坏，火终将熄灭。
This breaks the chain reaction and the fire is eventually snuffed out.
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