As important devices, power operatingsupplies provide DC power for loads in power plants and substations.
电力操作电源是发电厂、变电站中重要的二次设备,为控制负荷与动力负荷提供直流电源。
2
Horizontals that retailers could use might provide travel, transportation services, office equipment, or maintenance and operatingsupplies.
零售商能使用的水平服务可能提供旅行,运输服务,办公器械,或者维护和操作供应。
3
The World Food Program's Samkange says normally his agency aims to have enough food and supplies in stock to cover three months, but at the moment they are operating on a month-by-month basis.