2 sentences

1. 他在大学学习冶金工程。

   tā zài dà​xué xué​xí yě​jīn gōng​chéng.

   He studied metallurgical engineering at university.

   Source: Dong Chinese Dictionary

2. 古代冶金工艺包括了冶和铸两道工序。

   gǔ​dài yě​jīn gōng​yì bāo​kuò le yě hé zhù liǎng dào gōng​xù.

   Ancient metallurgy included the two processes of smelting and casting.

   Source: Dong Chinese Dictionary