Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/73a4d584c16dfacd9b722e7b86ed3545.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 electroplate copper例句_electroplate copper英汉例句_electroplate copper双解例句_食材铺反向词典
The effects of surface electroplate pure copper on oxidation failure of lead frame copper alloys for IC package were investigated. 研究了在铜合金表面电镀纯铜层保护膜对铜合金引线框架氧化失效的影响。