煤焦油产品
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coal-tar products
coai-tar product
примеры:
氨气、煤焦油、焦煤都是煤气生产过程中的副产品。
Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas.
煤油是提炼石油的副产品。
Kerosene is a by-product of petroleum refining.
пословный:
| 煤焦油 | 油产品 | ||