石油产品词汇表

solvent synthetic rubber chemical fiber plastic high-octane petrol high-grade petrol olefin natural gas fuel benzene asphalt lubricating oil gas oil karaffin oil kerosene paraffin Vaseline octane number liquefied natural gas LNG liquefied petroleum gas LPG petrol crude crude oil hydrocarbon purification reforming polymerization polymerizing distillation column fractional distillation fractionating tower separation cracking refinery refining