Two or two-circuit transmission line power supply should be able to automatic switching, self-generating equipment should be installed automatically activated.

两个电源或两回线路应能自动切换，自备发电设备应有自动启动装置。

youdao

youdao

When there are more than two electric water pumps, their power supply should use electricity from different mother line of the power system.

当有两台以上电动给水泵时，给水泵的电源应从厂用电系统不同的母线段取得。

youdao

All of the new line of computers boast a 250-watt power supply, a sliding front door allowing for easy access to four USB ports and dual optical disk bays.

FORBES: Magazine Article

At the end, geothermal energy companies want California regulators to assign higher values to the steady supply of power they could generate, speed up the permitting process, and promote more transmission line construction to transport geothermal energy from more remote corners of the state to towns and cities.

FORBES: Geothermal Energy's Trouble Competing With Solar