power source [电] 电源 ; [动力] 动力源 ; 城市供电电源 ; 主电源
Laser Devices & Power Source 激光器件与电源 ; 激光部件与电源
emergency power source 应急电源 ; 事故电源 ; 紧急动力源 ; 应急动力源
welding power source [机] 焊接电源 ; 电源
main power source [电] 主电源
Laser Devices and Power Source 激光器件与电源
emergency electric power source 备用电源 ; 紧急电源 ; 应急电源
DC power source 直流电源 ; 直流电源供应器
standby power source 备用电源
Lighting accounts for about 7% of the total electricity consumed in the US. Since lighting is often far removed from the power source—such as the distance from a power plant to street lamps on a remote highway—a lot of energy is lost during transmission.
在美国，照明约占总耗电量的7%。由于照明通常远离电源——例如从发电厂到偏远公路上的路灯——因此大量的能源在传输过程中会损失掉。
Connect Intake-tube with intake-tube of air filter of the rewinder, then get through entering power source.
将进气管与复卷机空气过滤器的进气管相连，然后进入电源。
The Korean scientists, however, want to harness a different kind of power source: sound waves.
然而，韩国科学家想驾驭一种不同类型的能量源，那就是声波。
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