MTBE无铅汽油
Methyltertiary butyl ether unleaded gasoline
mtbe ug
背压式抽汽汽轮机
back pressure extraction turbine
车用无铅汽油
vehicle - use unleaded gasoline
unleaded motor gasoline
Unleaded petrol(gasoline)for motor vehicles
抽汽汽轮机
condensing bleeder turbine
extraction turbine