Trong pin vonta,mieng kim loai hoat

Trong pin vonta,mieng kim loai hoat dong manh hon la cuc am,con mieng kim loai hoat dong yeu hon la cuc duong

Kết quả (Anh) 1:

In batteries, main spot mieng vonta dong manh hon la cuc am, my main spot mieng dong Nguyen hung hon la cuc duong

Kết quả (Anh) 2:

In vonta pin, metal pieces are more active cathode, the piece of metal lower activity means positive