![]() Electronic railway equipment—Train communication network (TCN)—Part 2-6: On-board to ground communication 轨道交通电子设备 列车通信网络(TCN) 第2-6部分:车地通信 |
![]() Mechannical vibration—ground-borne noise and vibration arising from rail systems—Part1:General guidance 机械振动 轨道系统产生的地面诱导结构噪声和地传振动 第1部分:总则 |
![]() Technical code for ground treatment of buildings in coal mine goaf 煤矿采空区建(构)筑物地基处理技术规范 |
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