2 Hydrogen is highly flammable and most mixtures of hydrogen and air will burn or even explode.
2 Hydrogen is highly flammable and most mixtures of hydrogen and air will burn or even explode.
氢气易燃度很高，它与空气混合的大多数混合物容易燃烧或发生爆炸。
2 Hydrogen is highly flammable and most mixtures of hydrogen and air will burn or even explode.
氢气易燃度很高，它与空气混合的大多数混合物容易燃烧或发生爆炸。