In design and quality of manufacture they were outclassed by the Italians.
在产品设计和质量上, 意大利人大大超过了他们.
Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas.
氨气、煤焦油、焦煤都是煤气生产过程中的副产品.
The manufacture of these small components is expensive.
制造这些小部件是非常昂贵的。
