hindexhydrocracking./hahy-druh-krak-ing/US // ˈhaɪ drəˌkræk ɪŋ //加氢裂化,加压裂化,加氢裂解,水力裂化Definitionsn.noun · 名词1.›the cracking of petroleum or the like in the presence of hydrogen.Level 5More words in h →