
BS EN 15839. Railway applications. Testing for the acceptance of running characteristics of railway vehicles. Freight wagons. Testing of running safety under longitudinal compressive forces
出版:British Standards Institution

专家解读视频
BS EN 15839. Railway applications. Testing for the acceptance of running characteristics of railway vehicles. Freight wagons. Testing of running safety under longitudinal compressive forces
出版:British Standards Institution
专家解读视频