“氰的”造句
研究了一种无
氰的高硅铝铸件的浸锌新工艺.
A new non - cyanide zinking process for high - Si aluminum cast has been studied in this paper.
本文介绍了PDS法焦炉煤气脱硫脱
氰的应用研究情况.
This paper describes the application and research of desulfurization and decya - nation by PDS in Coke - Oven gas.