Cords, wires and conduits should be buried, and only all-weather, exterior wiring and cables should be utilized to reduce fire hazard and risk to pets and children.
电线，电线及管道应被埋葬，只有全天候，外部接线和电缆应该用来减少火灾危害和风险，宠物和儿童。
Accident tree analysis is applied to risk analysis and a mathematical model is established, including fire model, effective release rate model, heat intensity threshold and hazard area equation.
采用事件树分析法进行风险分析并建立了数学模型，包括火灾模型、有效释放率模型、热强度极限值、危险区域等式四部分。
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