海信原装LED49EC500U(BOM1)电视主板RSAG7.820.7557/RO编码223718

变频器//转/三相223718/./55kw/.1511/380v/5730220v电机455单相/

/75/台90/达变频器.vfd5./71545/110kw/30矢量///223718c2000//5

.--45风机55kw-变频器-15380v11电机重载三相-5调速器-矢量223718