cyanide-free

常见例句

A cyanide free process for gold imitation plating on plastic surface was advanced with pyrophosphate as complexing agent.
采用焦磷酸盐为络合剂研究出一种塑料无氰仿金电镀工艺。
And development process of zincate treatment solution,from concentrated to dilute,from single to multi-metal and from cyanide to cyanide free,was reviewed.
较为详细的阐述了铝及铝合金浸锌溶液从浓溶液到稀溶液,从单纯浸锌到多元合金浸锌,从有氰到无氰的发展过程。
Study of cyanide free gold imitation plating on plastic surface
塑料无氰仿金电镀工艺的研究
Reading occupies most of my free time.
阅读占去了我大部分的闲暇时间。
The crew remained free from scurvy.
那些船员仍然没有患坏血病之虞。
He's a fervent believer in free speech.
他是言论自由的强烈信仰者。