While having a few entering route and switchgear group, should check phase-sequence (for 6.3.2 section).

有几路进线和几个开关柜组时，要检验相序（见第6.3.2节）。

youdao

While having a few entering route and switchgear group, should check phase-sequence (for 6.3.2 section).

有几路进线和几个开关柜组时，要检验相序（见第6.3.2节）。

youdao