A.燃點(diǎn):燃點(diǎn)越低,其火災(zāi)危險性越大 B.自燃點(diǎn):自燃點(diǎn)越高,其火災(zāi)危險性越大 C.閃點(diǎn):閃點(diǎn)越高,其火災(zāi)危險性越大
A.C;H;S B.C;H C.C
A.0.1-0.2% B.1-2% C.0.01-0.02%