Skills for Making Double Track Circuit Drawing
双线轨道电路电缆径路图的制作技巧
An Improvement on the Construction Process of Double-tracked–Single Bore Long Tunnel
新建铁路长大隧道“单洞双线轨道运输”工序改良
Selection of Body-form Co-efficient of Wind for Double Contact Lines of OCS in Urban Mass Transit
城轨交通接触网双导线风载体型系数的选用
The Reseach of Elasticity Creep between Rail and Ring in Double-Disc Involte Instrument;
双盘式渐开线测量仪的轮轨弹性蠕滑问题研究
Construction technology and cost analysis of double-block track for passenger dedicated lines;
客运专线双块式无碴轨道施工工艺与造价分析
Discussion on Logistics Scheme of Double-Block Type and Non-Ballast Ⅱ Line
浅析双块式无砟轨道Ⅱ线施工物流运输方案
Main machine body with double rail and double guide ball screw to provide smooth and precise feeding of glass.
采用双直线导轨、双滚珠丝杆的高精度传动结构，传动流畅、精确。
Hyperbolic Perturbation Method for Determining Homoclinic and Heteroclinic Solutions of Certain Nonlinear Autonomous Systems
求非线性自治系统同(异)宿轨线的双曲函数摄动法
photometric orbit
光度轨道 -食双星
Once two unrelated parallels, what has made us a set of rails? Might be the fondness for photography?
我们曾是两条不相关的平行线，凭借共同的爱好，组合成一双铁轨。
Study on EMI-free of STP and its application in mass transit vehicles
屏蔽双绞线抗电磁干扰研究及其在城轨车辆上的应用
Study on construction technique of bi-block ballastless track on the subgrade of Zhengzhou-Xi an passenger dedicated line;
郑西客运专线路基上双块式无碴轨道施工技术研究
Structure Design for Shear Cam of Twin-block Unballasted Track on Passenger Dedicated Railway Bridge
客运专线桥上双块式无砟轨道抗剪凸台设计计算研究
Research on the Equipments for Construction of CRTS Ⅰ Ballastless Track on Wuhan-Guangzhou Passenger Dedicated Line(PDL)
武广客运专线CRTSⅠ型双块式无砟轨道施工设备配套研究
To Carrying out"Double Excellent"Activity,To Promote Building Work of Rail Traffic No.9 Line Project
抓好创“双优”活动推进轨道交通9号线工程建设工作探索
loop mono rail twin block hoist
环形单轨双葫芦吊车
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，
It's a railway with a double track
这是一条双轨铁路。