锤子
消耗积分 : 免积分
The European Union enacted legislation,the ROHS Directive, that bans the use of lead (Pb) and several other substances in electronic products commencing July 1, 2006. The legislation recognized that in some situations no viable alternative Pb-free substitute materials are known at this time, and so provided exemptions for those cases. It was also recognized that certain electronic products, specifically servers, storage and storage array systems, network infrastructure equipment and network management for telecommunication equipment referred to as high-performance electronic products, perform tasks so important to modern society that their operational integrity had to be maintained. The.......
打开失败或需在电脑查看,请在电脑上的资料中心栏目,点击"我的下载"。建议使用手机自带浏览器。