Home / Standards / GB/T 33521.1-2017 GB/T 33521.1-2017 Active 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 Standard Type GBT ICS 17.160 CCS J04 Status 现行 Issue Date 2017-02-28 Implementation 2017-09-01 Responsible Dept 国家标准委 Drafting Unit N/A