上游充通大兽 1.2 Freight rate index-Tanker SHANGHAI JIAO TONG UNIVERSITY WS/Tanker Voyager Charter Rater Index BDTI/Baltic Exchange Dirty Tanker Index BCTI/Baltic Exchange Clean Tanker Index->FFA DCTFRI/Drewry chemical tanker freight rate index(Monthly) 国际航运系国际航运系 1.2 Freight rate index-Tanker WS/Tanker Voyager Charter Rater Index BDTI/Baltic Exchange Dirty Tanker Index BCTI/Baltic Exchange Clean Tanker Index->FFA DCTFRI/Drewry chemical tanker freight rate index(Monthly)