The causes of tarnishing gold and silver - plated connectors were studied respectively.
分別探討了接插件鍍金和鍍銀層變色的原因.
互聯網
Bright tin electrodeposits on copper wire are susceptible to tarnishing.
銅線材經光亮鍍錫后易產生腐蝕變色.
互聯網
Do they not realize their foolhardiness and which they are tarnishing the Republic's image?
他們難道不知道自己的行為不但愚蠢,也會損害新加坡的形象?
互聯網
The anti - tarnishing experiments can be taken to confirm a certain alloy's anti - tarnishing capability.
銀合金的特點是容易發生硫化變色,通過 抗 變色試驗可以確定合金的 抗 變色性能.
互聯網
Copyright ? mingxiaow.com All Rights Reserved. 杭州優配網絡科技有限公司 版權所有 未經書面允許不得轉載、復制信息內容、建立鏡像
本網站內容僅供參考，請以各學校實際情況為主！內容侵權或錯誤投訴：841539661@qq.com 工信部備案號：浙ICP備20019715號