低温煤焦油中含有许多珍贵化合物，但目前多作为液体燃料在市场上销售，这是对资源的极大浪费。
The low temperature coal-tar includes many precious compound, but at the present it is often selled as the liquid fuel in the market, this creates enormous waste to the resources.
低温煤焦油中含有许多珍贵化合物，但目前多作为液体燃料在市场上销售，这是对资源的极大浪费。
The low temperature coal-tar includes many precious compound, but at the present it is often selled as the liquid fuel in the market, this creates enormous waste to the resources.
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