Solder the power wires, positive and negative battery contacts.
焊锡线的力量，积极和消极的电池接触。
Like a battery, they use positive and negative electrodes separated by an electrolyte.
燃料电池像电池一样，有正、负电极，两极之间是电解液。
I believe this side of the battery is positive and this is negative.
我想电池的这面，是正极这是负极。
Disconnect the battery negative cable.
断开电池负极电缆。
The negative pole of a battery is the part which releases electrons.
电池的负极是释放电子的一端。
Lithium battery is a battery whose Lithium is used as active substance of negative pole.
一次锂电池是以金属锂作为负极活性物质的现代先进电池，具有广阔的应用前景。
"Black line" to connect the battery negative (Ground);
“黑线”接电瓶的负极（搭铁）；
"Black line" to connect the battery negative (Ground);
“黑线”接电瓶的负极（搭铁）；
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