In the production process of poisonous gas safety endangers life and explosion in automatic control system, and the equipment selection are designed to prevent danger produce measures.
生产过程中危及人生安全的有毒气体的产生及爆炸的可能，在自动化控制系统设计及设备选择上有防止危险产生的措施。
The result shows that the content of combustible gas is far lower than the lower explosive limits and there is no the explosion danger in heating furnace.
研究结果表明，加热炉运行全过程中可燃气体含量较少且远低于烟气混合物爆炸极限，不存在爆炸危险；
Using this chart to distinguish the explosion danger caused by the mixture of gas and air is more complete and accurate than the chart of gas detonation triangle.
采用它判别瓦斯与空气混合气体的爆炸危险性时，比用瓦斯浓度三角形更加全面、准确。
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