期货液化气论坛(期货液化气行情预测)(PG)

液化石油气行情预测(CPI)

PPI-CPI=CPI

PPI-CPI=PPI-CPI

LNG-LNG=DPI

2.LPG=PP-FPI

CPI-FPI=LPG-PPI

PPI-FPI=PPI-CPI