TB/T 1528.1-2018.Railway signal power supply system equipments-Part 1: General requirements.1范围TB/T 1528.1从系统组成、产品分类、技术要求、检验规则等方面规定...
TB/T 1122-2019.Railway signa! symbol.1范围TB/T 1122规定了铁路信号符号的一般规定、信号文字符号及信号图形符号。TB/T 1122适用于铁路信号工程设计、...
TB/T 456.3-2018.Automatic coupler and draft gear for rolling stock-Part 3: Coupler yoke.1范围TB/T 456.3规定了机车车辆自动车钩缓冲装置用钩尾框的技术要求,检验...
TBJ 209-96.Code for construction on water supply and sewerage of railway.第一章总则第1.0.1条 TBJ 209适用于国家铁路网中1435mm标准轨距铁路给水排水工程的施工...
TBJ 106-91.Provisions for the design and acceptance of railway partial prestressed concrete beams.第一章 总则第1.0.1条 TBJ 106适用于国家铁路网中1435mm标准轨距铁路...
YD/T 1572-2010.Testing methods for A10/A11 interfaces in 800MHz/2GHz cdma2000 digital Cellular mobile communication network.1范围YD/T 1572规定了800MHz/2GHz cdma2000数字蜂窝移...
YD/T 1850-2015.2GHz TD-SCDMA digital cellular mobilre telecommunication network tset method of HSUPA RAN.1范围YD/T 1850规定了TD-SCDMA在引入高速上行分组接入(HSUPA)功能...
YD/T 1948.8-2015.Technical requirements of Ethernet over Transport (EOT) Part 8: Ethemet LAN(E-L AN) service and Ethemet tree(E-Tree) service.1范围YD/T 1948.8规定了以太网局域...
YD/T 1991-2016.Technical requirements for Nx40Gbit/s optical wavelength division multiplexing(WDM)systems.1范围YD/T 1991规定了单通路速率为40Gbit/s 密集波分复用(DWDM...
YD/T 1997.1-2014.Drop optical filbre cables for telecommunication Part 1: Bow-type optical fibre cables.1范围YD/T 1997.1规定了蝶形光缆(以下简称光缆)的术语和定义、...










