840| 0
|
GB/T 12706.2-2008 额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件 第2部分:额定电压6kV(Um=7.2kV)到30kV(Um=36kV)电缆 |
Archiver|手机版|小黑屋|标准网 ( 浙ICP备19005909号 )
GMT+8, 2025-5-1 05:27 , Processed in 0.054737 second(s), 33 queries .
Powered by Discuz! X3.4
© 2001-2023 Discuz! Team.