Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/c67632fdf703801857ba04283b007417.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 electroplate on copper例句_electroplate on copper英汉例句_electroplate on copper双解例句_衣物護欧路词典
The effects of surface electroplate pure copper on oxidation failure of lead frame copper alloys for IC package were investigated. 研究了在銅郃金表麪電鍍純銅層保護膜對銅郃金引線框架氧化失傚的影響。