6521| 0
|
[资料库] JBT 10181.12-2014 电缆载流量计算 第12部分:载流量公式(100%负荷因数)和损耗计... |
| ||
手机版|Archiver|阳光工匠光伏论坛 ( 苏ICP备08005685号 )
GMT+8, 2025-2-4 02:20 , Processed in 1.078146 second(s), 8 queries , File On.
Powered by Discuz! X3.4
Copyright © 2001-2020, Tencent Cloud.