A.從罐車到領(lǐng)油桶 B.從領(lǐng)油桶到崗位儲(chǔ)油桶 C.從崗位儲(chǔ)油桶到油壺 D.從油壺到加油點(diǎn)
A.露點(diǎn) B.干點(diǎn) C.初餾點(diǎn)
A.5 B.10 C.20 D.50
A.閃點(diǎn) B.自燃點(diǎn) C.凝點(diǎn)
A.0.35 B.0.7 C.3.5
A.nCO+(2n+1)H2→CnH2n+2+nH2O B.CO+H2O<=>H2+CO2 C.2CO→C+CO2
A.3.2 B.3.3 C.3.3