The red triangle denotes danger.
红色三角形表示危险。
The Bermuda Triangle, known to soldiers as "the Graveyard of the Atlantic", is not recognized by the U. S. Navy as a danger zone.
百慕大三角被士兵们看作“大西洋的墓地”，但美国海军并不认为它是一个危险区域。
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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