Next, we use a new hardening process developed by our metallurgists to strengthen a metal that is naturally very soft.

随，再采用我们的冶金大师制定的全新强化工序，让这一本来十分柔软的金属变得更为坚固。

With the help of some metallurgists, the company reached its meridian.

在冶金学者的帮助下，公司到达了全盛时期。

Without kings, without bureaucracies, without standing armies, these early farming populations fostered the development of mathematical knowledge, advanced metallurgy.

没有国王，没有官僚机构，没有常备军，这些早期的农业人口促进了数学知识和先进冶金技术的发展。

However, the researchers estimate that, besides the green benefits accruing, the initial investment would be repaid in 22 months by the elimination of expensive metallurgical coke from the process, and from selling any oxygen that was surplus to requirements.

然而，研究人员估计，除了产生的绿色效益外，初始在 22 个月内通过从工艺中消除昂贵的冶金焦炭以及出售任何多余的氧气来收回。