YD/T 2446-2013.Technical requirements for multicast in virtual private LAN services.1范围YD/T 2446规定了虚拟专用局城网服务(VPLS)组播方案,描述了采用运营商组...
YD/T 2440-2012.Technical requirements for security of vitual tape library (VTL).1范围YD/T 2440规定了虚拟磁带库(VTL)设备或者系统在安全方面的技术要求,包括权...
YD/T 2435.4-2012.Guide for energy saving technology of power supply and Room environment for telecommunications Part 4: Grade of energy efficiency of Air-conditioners.1.范围YD/T 2...
YD/T 2435.1-2012.Guide for energy saving technology of power supply and Room environment for telecommunications Part 1: General Rules.1范围YD/T 2435.1规定了通信电源设备的能...
TB 10027-2012.Code for Unfavorable Geological Condition Investigation of Railway Engineering.1总则1.0.1为统一铁路工程不良地质勘察的技术要求,保障勘察质量,...
TB 10014-2012.Code for Geological Drilling of Railway Engineering.1总则1.0.1为统一铁路工程地质钻探工作的技术要求,提高钻探质量,为工程设计提供可靠...
YY/T 0681 .8-2011.Test methods for sterile medical device package-Part 8: Coating/adhesive weight determination.YY-T 0681的本部分规定了测量施加于基材(如膜、纸、非织...
TB/T 3277.2-2011.Railway magnetic thermal paper ticket-Part 2: Ticket vending machine.1范围TB/T 3277.2规定了铁路磁介质纸质热敏车票自动售票机(以下简称自动售...
TB/T 3464-2016.Measuring tools for the overhaul of No.16 and No.17 coupler.1范围TB/T 3464规定了16型和17型车钩厂修、段修用量具的结构形式与主要尺寸、技术要...
TB/T 3463-2016.Evaluation method for wheel strength of rolling stock.1范围TB/T 3463规定了铁道客车和货车整体车轮的强度评定方法的载荷工况、计算模型及材...










