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secondary battery
auto.	二次蓄电池; 蓄电池 (secondary cell)
avia.	备用电池
dril.	蓄电池组
el.	次级电池组
met.	蓄电池; 二次电池
tech.	蓄电池组

secondary battery: 5 phrases in 4 subjects

Automobiles	1
Chemistry	1
Space	1
Technology	2