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| English | Chinese |
| coal liquefaction The process of preparing a liquid mixture of hydrocarbons by destructive distillation of coal | 煤的液化 (通过煤的蒸馏得到一种碳氢化合物的液体混合物的过程。) |
| gas liquefaction Conversion of a gas to the liquid phase by cooling or compression | 液化天然气 (通过冷却或压缩把气体转化为液相。) |