shipments of electrical equipment.

电器设备的运输。

The study found that small electrical appliances consume a fifth of the electricity used in a typical American home.

该研究发现，在典型的美国家庭中，小电器的耗电量占家庭耗电量的五分之一。

lighting and other electrical systems on the new runway.

新跑道上的照明和其他电力系统。

brief pulses of electrical energy.

短暂的电能脉冲。

company representatives from the electrical industry.

来自电力行业的公司代表。