水封池 [油脂] water seal tank

溴化钾密封池 Potassium Bromide Rectangular Sealed Cells

阀控式密封铅酸蓄电池 VRLA ; VALVE REGULATED SEALED LEAD-ACID BATTERY ; VRLA battery ; vrla batteries

非封闭式电池 Open cell

密封铅酸电池 Sealed lead acid batteries

铁皮封闭式电池 Steel-Seal Type Cell

密封蓄电池 no-service battery ; Sealed cell ; lead-acid battery

封闭式电池 enclosed cell

全密封电池 hermetically sealed battery

密封电池 sealed cell ; sealed battery