vacuum deaerator是什么意思

用法例句

In this article, vacuum oxygen decarbonization technology of VD furnace is studied, steelmaking methods are developed.

本文对VD炉的真空氧脱碳工艺进行了研究,丰富和扩展了炼钢手段。

The technology of vacuum oxygen decarbonization in a VD has been studied for the purpose of enrichment and expansion of steel-making practice.

对VD的真空氧脱碳工艺进行了研究,丰富和扩展了炼钢手段。