| 释义 |
生产过程 shēng chǎn guò chéng
基本例句
course of productionprocess of productionmanufacturing processprocess of manufactureproduction processduction process
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. |