08/30188836 DC : 0被替代
BS EN 50525-3-21 - ELECTRIC CABLES - LOW VOLTAGE ENERGY CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V - PART 3-21: CABLES WITH SPECIAL FIRE PERFORMANCE - FLEXIBLE CABLES WITH HALOGEN-FREE CROSS LINKED INSULATION, AND LOW EMISSION OF SMOKE
出版：British Standards Institution
专家解读视频
