petroleum ether

短语

[化] 石油醚 [医] 石油醚, 石油精 [经] 石油醚

释义与例句

n.
  1. 1.

    A volatile petroleum fraction, usually available in a number of fractions boiling between 40°C and 140°C, and used as a solvent in the laboratory and industry.

    石油醚