燃油和氧气的混合物能引起爆炸。( )
A.A mixture of fuel and oxygen can cause an explosion. B.A mixture of fuel and hydrogen can cause an explosion. C.A mixture of fuel and nitrogen can cause an explosion.正确答案A
燃油和氧气的混合物能引起爆炸。( )
A.A mixture of fuel and oxygen can cause an explosion. B.A mixture of fuel and hydrogen can cause an explosion. C.A mixture of fuel and nitrogen can cause an explosion.正确答案A
