s

deb http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial main multiverse restricted universe
deb http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial-backports main multiverse restricted universe
deb http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial-proposed main multiverse restricted universe
deb http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial-security main multiverse restricted universe
deb http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial-updates main multiverse restricted universe
deb-src http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial main multiverse restricted universe
deb-src http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial-backports main multiverse restricted universe
deb-src http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial-proposed main multiverse restricted universe
deb-src http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial-security main multiverse restricted universe
deb-src http://cmc-cd-mirror.rnd.huawei.com/ubuntu/ xenial-updates main multiverse restricted universe