photogen的翻译,读音
英/'fәutәudʒәn/
释义:
[矿]页岩煤油
n. A light hydrocarbon oil resembling kerosene. It is
obtained by distilling coal, paraffin, etc., and is used as a
lubricant, illuminant, etc.
n. A light hydrocarbon oil resembling kerosene. It is
obtained by distilling coal, paraffin, etc., and is used as a
lubricant, illuminant, etc.
