cyanide-free

常見例句

A cyanide free process for gold imitation plating on plastic surface was advanced with pyrophosphate as complexing agent.
采用焦磷酸鹽為絡(luò)合劑研究出一種塑料無氰仿金電鍍工藝。
And development process of zincate treatment solution,from concentrated to dilute,from single to multi-metal and from cyanide to cyanide free,was reviewed.
較為詳細(xì)的闡述了鋁及鋁合金浸鋅溶液從濃溶液到稀溶液,從單純浸鋅到多元合金浸鋅,從有氰到無氰的發(fā)展過程。
Study of cyanide free gold imitation plating on plastic surface
塑料無氰仿金電鍍工藝的研究
Reading occupies most of my free time.
閱讀占去了我大部分的閑暇時間。
The crew remained free from scurvy.
那些船員仍然沒有患壞血病之虞。
He's a fervent believer in free speech.
他是言論自由的強烈信仰者。