石油化学 shíyóuhuàxué petrochemistry Definitions Defs Origin Strokes Stroke Words Sentences Sents 石油化学 石油化學 shíyóuhuàxué petrochemistry the branch of chemistry that deals with the products and techniques of refining petroleum and natural gas Frequency Written text 0.214 per million Sources Frequency data BCC Corpus (BLCU)
石油化学 石油化學 shíyóuhuàxué petrochemistry the branch of chemistry that deals with the products and techniques of refining petroleum and natural gas Frequency Written text 0.214 per million Sources Frequency data BCC Corpus (BLCU)
