常見(jiàn)例句雙語(yǔ)例句Basic principle and technology of the cyanide free silver brush plating on copper substrates are researched.探討了銅基無(wú)氰電刷鍍銀的基本原理和施鍍工藝。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(wú)氰仿金電鍍工藝。Through experimental study, the CIP plant of Hougou Gold Mine brought the technology of normal pressure cyanide free desorption into being without any modification of original equipment.后溝金礦炭漿廠經(jīng)過(guò)試驗(yàn)研究，使用原有設(shè)備，不需進(jìn)行任何改動(dòng)，實(shí)現(xiàn)了常壓無(wú)氰解吸。 返回 cyanide free