“冶炼”用英语怎么说？

许多金属冶炼操作中需要碳作为还原剂.Carbon is needed as a reducing agent in many metallurgical operation.氧化铝的进口禁令严格限制生产能力在100,000吨以下的冶炼商.Alumina import bans have been exacted against smelters with capacity below mts.本文介绍了铝硅热法生产高钨铁的工艺研究情况,...

“冶炼”的拼音为：yě liàn...