检查主电路三相是否缺相的翻译：Check whether the main circuit of three-phase phase 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Check whether the phase three-phase main circuit

Check whether the main circuit of three-phase phase

Inspects the main circuit three-phase whether lacks

Check whether the main circuits with 3 defect

Check whether the main circuit of three-phase phase