sealed battery meaning in Chinese

密封蓄电池

After put into use , 580 thousand auto . battery 400thousand kvah and 422 thousand sealed battery 100kvah will be sold per year . the annual sale income will reach to 266 . 1 million rmb . the investment return period is 4 years
该项目建成后，销售汽车用蓄电池58万元， 40万kvah阀控式密封电池42 . 2万只， 10万kvah 。
The development of dc control power system described in this paper is oriented to the baoji - chengdu electric railway - engineering project . a dc control power system , which is based on plc , hf switch rectifier and valve control seal battery is described in the paper
本文结合宝成复线电气化工程，针对牵引变电所直流控制电源系统设计，阐述了一个基于plc控制器、高频开关整流装置和阀控式密封铅酸蓄电池的直流屏的设计和产品研制。