vitreous copper
常見例句
- Based on studying property of copper ore slag in Jiangxi, adopting reasonable batch formula and technology condition, in the lab we have made vitreous tile using slag.
在研究江西某銅礦尾砂性質的基礎上，采用合理的配方和工藝條件，在實驗室研制出尾砂?；u。 返回 vitreous copper