ICS 45.060.20CCS S 50中华人民共和国国家标准GB/T 44288—2024城市轨道交通车辆 空调系统Urban rail transit vehicles—Air conditioning system2024-08-23 发布2024-12-01 实施国家市场监督管理总局国家标准化管理委员会发 布目　　次前言 ································································...