Similar words: petroleum, aluminum industry, petroleum jelly, petroleum refinery, petroleum products, liquefied petroleum gas, liquified petroleum gas, film industry.
31 With the development of petroleum industry, the study on rock are more and more important.
32 He has advanced training in petroleum refinery engineering and has worked in the petroleum industry in Fushun and Yanji.
33 The world petroleum industry has experienced more than 140 years full of frustrations.
More similar words: petroleum, aluminum industry, petroleum jelly, petroleum refinery, petroleum products, liquefied petroleum gas, liquified petroleum gas, film industry, industry, key industry, industrial, oil industry, industrious, industrially, coal industry, construction industry, heavy industry, light industry, basic industry, steel industry, movie industry, industriously, infant industry, industrialism, industrial area, industrialise, industrial zone, industrialize, industrialist, growth industry.