【化】 石油乳剂

fortifying of petroleum products petroleum products straight petroleum products splitting of heavy emulsion migration of petroleum maturing of petroleum consumption of petroleum evolution of petroleum institute of Petroleum standardization of products direct products of countable supply of products petroleum emulsion acid-base determination of petroleum products breaking petroleum emulsion black petroleum products high-boiling petroleum products petroleum-derived products source rock of petroleum acidity of petroleum product composition of petroleum condensing of petroleum vapours