l[9] liquid fuels��Һ��ȼ��

[10] coal-based vapor fuels����ýΪ��������̬ȼ��

[11] gasification������

[12] coalmine��ú��

[13] processing plants���ӹ���

[14] synthesis gas���ϳ�ú��

[15] carbon monoxide��һ����̼

[16] methane������������

[17] cleaner-burning gas���ྻú��

[18] on-site gasification����������

[19] liquefaction��Һ��

[20] crude petroleum��ԭ��

[21] hydrogen-deficient hydrocarbon��ȱ��̼�⻯����

[22] alternative fuels�����ȼ��

[23] pyrolysis�����·ֽ�

[24] hydrocarbonization��̼�⻯����

[25] solvent extraction���ܼ���ȡ

[26] catalytic liquefaction���߻�Һ������

[27] hydrogenation���⻯����

��һҳ[1][2]