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- ballast track bridge 有砟桥
- Technical standards for the construction of ballast track bed on Qinhuangdao\|Shenyang Passenger Special Line are introduced, and the construction process of this line is outlined. 在简述秦沈客运专线有碴道床施工过程的基础上,着重介绍该线有碴道床施工的技术标准。
- The Ohio Department of Transportation Bridge Management System (BMS) currently uses Organizational Performance Indices (OPI) to track bridge performance each year. 我国桥梁已渐迈入高龄化的时代，但桥梁所能发挥功能性与服务性随桥龄之老化而降低。
- Most steel railway bridges produce much more noise than ballasted track. 多数钢铁路桥比石渣轨道产生更多噪音。
- Track bridge and subgrade equipment 线桥设备
- So the conventional ballasted track must be intensified for high speed and heavy haul railway line, this is a chance for the elastic sle. 在高速和重载的条件下传统的有碴轨道结构型式面临着严峻地考验。
- Ballasted track is the most used track type in ground track of urban mass transit in existing "Code for the Design of Metro". 摘要有碴轨道是城市轨道交通地面线最常采用的轨道结构。
- Abstract： Ballasted track is the most used track type in ground track of urb an mass transit in existing “Code for the Design of Metro”. 摘 要： 有碴轨道是城市轨道交通地面线最常采用的轨道结构。
- Construction technologies and quality standards of ballasted track engineering for Passenger Dedicated Railway are introduced,and the construction process is outlined. 在简述秦沈客运专线有碴道床施工过程的基础上 ,着重介绍该线有碴道床施工的技术标准。
- Ballasted track is a basic track structure used on the railway lines in china.It is a complex construction, including rail, under-rail pad, sleeper, roadbed and so on. 轨道是由钢轨、轨枕、联结零件、道床等部件组成的复杂结构物，其材料具有不同的力学性质，受力也有很强的随机性和复杂性，这给轨道的设计及力学仿真计算带来了诸多困难。
- Pig iron used as permanent ballast. 压载铁做为永久性压舱物的生铁
- Ballasted track is a complex construction , Its material shows different characteristic and receives complex strength that is intensively stochastic and complex. 为设计、检算和改进轨道结构,进行轨道力学分析是十分必要的。
- The ship was furnished with ballast. 船上装了压舱物。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- And the suspension bridge from hanging vines. 悬索桥受到了悬挂着的藤的启发。
- The ballast placed in the ship can keep the ship steady. 放在船上的压舱物可以保持船的平稳。
- The frail wooden bridge cracked. 这座不牢固的木桥断裂了。
- I have not the least idea about how to play bridge. 我一点儿不知道怎样打桥牌。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- As the day was wet we stopped in and played bridge. 由于下雨，我们没出去，在家打桥牌。
