40 元券9780470193389Broadband印刷Access¥9400去看看上海外文图书音像专营店发布了按需印刷IPv6 in Broadband Access Netwo[9780470193389]25 元券电气工程9780470193389DeployingBroadband¥8140去看看澜瑞图书专营店发布了【4周达】Deploying Ipv6 In Broadband Acess Networks [Wiley电子电气工程] [9780470193389]