A.鐵和木材是固體表面燃燒 B.物質(zhì)的飽和蒸汽壓越大,閃點(diǎn)越高 C.物質(zhì)的著火點(diǎn)比自燃點(diǎn)高 D.壓力越高,自然點(diǎn)越高
A.X1 B.X2 C.X3 D.X4
A.5B.6C.7D.8