P:2018-03-08 09:13:59
1
电缆型号是: VV, 4*25, 4*2.5 。 客户提出了几个问题。
2. Measure the supply voltage, current and frequency range 3. Check for phase unbalance of cable4. Check for voltage dip cables 5. Check the harmonics
拜托各位帮忙解答或者解释一下吧。 谢谢
equally spaced polythene disc - 等距聚乙烯垫片 (0) 投诉