金属冶炼技术 Metal Melting Technology
真空冶炼技术 vacuum melting technique
金属材料冶炼工程技术 Resources Engineering and Extractive Metallurgy
冶炼原料与技术 Smelting Raw Materials and Technologies
在古老的中国，道家首创冶炼技术是一个不争的事实。
In ancient China, the first Taoist smelting technology is an indisputable fact.
本文对我国钢轨钢的生产情况及重轨钢的冶炼技术做了综合论述。
The production status of rail steel and smelting technology of heavy-rail steel in China are summarized.
以废铅蓄电池为原料，采用湿法、火法联合冶炼技术制备黄丹和红丹。
A wet-firing combined process has been developed for preparing yellow lead and red lead from scrap lead batteries.
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