单词	vacuum welding machine
释义	vacuum welding machine 真空焊箱
随便看	authentication authorization authentication authorization accounting authentication by the registrar authentication by the transfer agent authentication by the trustee authentication center authentication centre authenticationmanager authenticatio nmanager authentication mechanism authenticatings authentication authentication agent Authentication Algorithm Authentication ancIKey Agreement authentication and accounting authentication and accounting System authentication and authorization authentication and digital signatures authentication and encrypfion authentication and encryption authentication andkeyagreement authentication and key agreement authentication certificate authentication circuit