流量计采用单芯电缆完成对井下集流器、电路板供电，同时单芯电缆还完成两路流量信号、压力及温度信号的传输。

The flowmeter provides one core cable to supply power for the packer and downhole circuit of the flowmeter, at the same time, the signal transmit through the cable.

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对于两路电源供电给同一用户的情况，目前现场通用的功率因数调整电费有两种计算方法。

In the case of double-source supply to a consumer, there are two kinds of currently prevalent calculation method for tariff regulation by power factors at site.

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铁路信号自控系统是一级供电负荷，要求有两路高质量的供电电源。

The railway signal auto-control system is a level of power supply load, which requires two lines of high quality power supply.

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