Hydrogen and air mixtures, within the flammable range, can explode and may burn with a pale blue, almost invisible flame.
在可燃范围内的氢和空气的混合物可能爆炸，也可能燃烧，火焰是淡蓝色，几乎看不见。
The Sensepoint XCD detector monitors sites for a wide range of toxic and flammable gases.
感应XCD探测器能够在大范围内检测到毒气和易燃气体。
The Sensepoint XCD detector monitors sites for a wide range of toxic and flammable gases.
感应XCD探测器能够在大范围内检测到毒气和易燃气体。
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