safety track

Scrunch the waistband material along as you inch the safety pin through the track.

把裤子的腰带部位压好，让安全别针顺利通过。

Function of track evenness and straightness on cwr's safety control

轨道平顺性在无缝线路安全控制中的作用

The paper utilizes the non-linear dynamic theory of rolling stock running on the curved-track to research the safety and stability when the rolling stock running on the track overlapped elevation curve on the spiral curve.

用机车车辆曲线通过非线性动态理论，研究竖曲线与平面缓和曲线重叠对机车车辆曲线通过时的安全性和平稳性的影响。

Research of Safety and Stability of Train Running on the Track Overlapped Elevation Curve on Spiral Curve

列车通过坚平曲线重叠线路时的安全性和平稳性研究

As the elastic cushion of slag-less slab track in the high-speed railway, the performance of cement asphalt mortar is crucial to the durability and safety of slab track.

作为高速铁路无碴轨道的弹性垫层，CA砂浆性能的好坏对轨道结构的安全性和耐久性有着极其重要的影响。

Ballast cleaning machine is an essential maintenance machinery of modern railway which performs track-laying, maintenance and the repair of the railway. Its working quality directly affects the quality of the railway and the safety of train travel.

道碴清筛机是现代铁路线路铺设、养护及检修必不可少的铁路养护机械，其工作质量的好坏直接对铁路线路的质量及车辆的运行安全产生影响。

Coal Mine Safety Track System based on RFID Technology

基于RFID技术的煤矿安全追踪系统

Track sensor system plays an important role in the detection for the entire railway operations. A lot of information about safety and efficiency can be got by testing track status.

轨道传感器对于整个铁路运行系统起到重要的监测作用，通过对轨道状态监测可以得到大量保证铁路运营安全和提高效率的信息。

The paper firstly elaborates on the calculation principles of the main line system capacity analysis, including the calculation of interval train track, safety braking distance, safety protection distance, safety distance, train average travel speed and so on.

然后详细阐述了正线系统能力分析的计算原理，包括列车追踪间隔的计算，安全制动距离、安全保护距离及安全距离的计算以及列车平均旅行速度、全周转时间和运用车配车数的计算。

When it is applied to receive and demodulate the information of track detection and velocity transferred through audio track circuit, simulative experiment over computer shows that it satisfies Error Safety principle.

利用该方法解调音频轨道电路中所传输的列车检测信息和速度信息，计算机模拟实验证明满足接收的技术指标。