A、液化石油氣; B、氮?dú)猓?br /> C、硫化氫; D、A,B,C
A.75% B.80% C.85% D.90%
A、閃點(diǎn) B、燃點(diǎn) C、自燃點(diǎn) D、凝點(diǎn)
A.0.5 B.0.3 C.1 D.1.5
A、原油; B、減壓餾分; C、常壓餾分; D、蒸發(fā)塔;