GB/T 34572-2017轨道交通受流系统受电弓碳滑板试验方法国家标准
英文:Railway applications—Current collection system—Pantographs,testing methods for carbon contact strips GB/T 34572-2017介...
英文:Railway applications—Current collection system—Pantographs,testing methods for carbon contact strips GB/T 34572-2017介...