LAS VEGAS (KLAS) — Las Vegas residents and visitors will have a free ride option to get around the valley this New Year’s Eve. The Regional Transportation Commission of Southern Nevada will offer free ...

中化新网讯 日前，采用中国石化石油化工科学研究院（以下简称石科院）重油催化裂解（RTC）技术的两套300万吨/年RTC装置在 ...