Examine roughing-in for electrical power systems to verify actual locations of wiring connections.

检查电力系统的配管，核实线路连接的实际位置。

Those pumps are heavy and need electrical power.

这些泵很笨重需要电力驱动。

If you add more servers, is there enough electrical power?

如果添加更多的服务器，是否有足够的电源？

Petroleum refineries, electrical power plants, and chemical plants.

炼油厂，电厂，化学工厂。

It took decades for electrical power to become a tradable commodity.

电力花了几十年才成为可交易商品。