Lead - acid and alkaline batteries ; type plate for traction batteries 铅酸蓄电池和碱性电池.牵引电池的型号标牌
A new type plate heat exchanger with unsymmetrical net - shaped distribution portion 新型非对称网状导流板式换热器
Nickel - cadmium - accumulators ; cells with pocket - type plates , cells in steel and plastic containers ; rated capacities , main dimensions 镍镉蓄电池.袖珍式板电池.钢与塑料壳电池.额定容量
Accumulators ; tests ; sealed lead storage batteries with grid type plates and immobilized electrolyte , maintenance free ; test methods 蓄电池.试验.采用栅极板和不流动电解液的免维护密封
Nickel - cadmium - accumulators ; cells with pocket - type plates , cells in steel and plastic containers ; electrical characteristics ; discharge duration 镍镉蓄电池.袖珍型板电池钢与塑料容器电池.电气特