petrochemical industry
/pˌɛtɹəʊkˈɛmɪkəl ˈɪndʌstɹi/
n
English · petrochemical industry中文 · 石油化工Español · industria petroquímicaFrançais · usine pétrochimique
意味：Plant that treats petroleum-based raw materials (crude oil and natural gas) to obtain marketable chemical products.