真空自耗电弧炉是熔炼钛、锆等稀有金属的主要工业手段，如何提高熔炼工艺水平，保证产品质量，提高经济效益，已成为稀有金属行业广泛关注的问题。

With requred to the melting of rare metals the major issues are the development of melting technology, assurance of product quality, and increase in production efficiency.

youdao

真空自耗电弧炉是熔炼钛、锆等稀有金属的主要工业手段，如何提高熔炼工艺水平，保证产品质量，提高经济效益，已成为稀有金属行业广泛关注的问题。

With requred to the melting of rare metals the major issues are the development of melting technology, assurance of product quality, and increase in production efficiency.

youdao