rail lifter
... rail level 测轨水准仪 rail lifter 起轨器 rail mill 钢轨轧机 ...
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双电网传感器和轨旁控制器一起构成了异物侵限现场监测设备,用来进行侵限事件的传感和逻辑判断。
The dual power network sensor and controller next to the rail constitute a foreign invasion on-site monitoring devices, used for sensing the incident invasion and logic judgement.
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