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。
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.
混合气体也能比普通气体更长时间的保持胎压。
The mixture also retains the pressure longer than normal air would.
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