三相五线制
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three-phase five-wire system 三相五线制
three phase five wire system 三相五线制
Three-phase-five-wire system of power distribution 三相五线制供电
three-phase and five-wire system 三相五线制
three-phase-five-wire system
three-phase-five-wire系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Remark: every wire of the three-phase five-wire system is clearly indicated on the front panel.
注：每一块面板清晰显示三相五线制电源的母线、支线。
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