Billing Unit Code计费单位代码 Back Up Controller备份控制器 Backup Concentrator备份选矿厂 Backup Commanding备份指令 Bunker Contribution碉堡贡献 Back Up Computer备份电脑 Brothers Under Christ (Christian fraternity)基督弟兄(基督教博爱下) Back Up Converter备份转换器 Bus Unit Controller总线控制器 Business Unit Contribution事业单位的贡献 Bulk Unitization Charges (shipping)Unitization散装运输费用() Block Up Converter (satellite component)阻碍转换器(卫星组成) Buckhorn CaliforniaBuckhorn加州 Business Unit Controller业务单元控制器 Blessed/Uncursed/Cursed (NetHack)Uncursed祝福诅咒(NetHack)