架线蓄电池两用电机车
trolley-cum-battery locomotive
厂用电电源
high voltage auxiliary power
大功率岸电电源的研制
Development of the High-power Shore Power Supply
阀控铅酸蓄电池(VRLA电池)
Valve-regulated lead-acid battery
激发光源用电源供应器
Power Supplies for Pumping Light Source
质子交换膜燃料电池电源
PEM fuel cell power source
内用及外用蒸汽凡立水
inside and outside pasteurising varnish
LR6电池的抗振性能
Anti vibration performance of LR6 battery