Hydrogen gas is extremely flammable.
氢气是特别易燃的气体。
Contact with water liberates extremely flammable gases.
遇水释放极易燃烧的气体。
Contact with water liberates extremely flammable gases.
R15与水接触释放出极易燃气体。
R15 Contact with water liberates extremely flammable gases.
与水猛烈反应，释放出极易燃气体；
R15 Contact with water liberates extremely flammable gases.
遇水释放极易燃烧的气体。
R15:Contact with water liberates extremely flammable gases.
遇水释放极易燃烧的气体。
R15 Contact with water liberates extremely flammable gases.
与水接触释放出极易燃气体；
R15 Contact with water liberates extremely flammable gases.
与水接触释放出极易燃气体；
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