本文首先对重柴油在机车柴油机上应用的可行性和意义加以论证。

The paper first demonstrate the feasibility and the significance of the applications of heavy oil in locomotive diesel engine .

催化重柴油或蜡油组分，也是临氢降凝理想的原料。

Heavy catalytic diesel and wax oil are also ideal feed for hydro-cracking .