求翻译：采用无铅焊锡，先在电池片正面的主栅线上焊上互连条，然后放在串焊模板上，将后一片的互连条与前一片电池的背电极焊接在一起，组成一个带有正负极引出线的电池串是什么意思？

Lead-free solder, the first front in the cells on the main grid interconnection of the welding line, and then welded on the string template, the interconnection of and after a battery before a back electrode welded together to form a band Lead batteries have positive and negative string

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Uses the non-lead soldering tin, welds first on the battery piece positive main grating interlocks the strip, then places the string to weld on the template, the latter piece of interconnection strip with the preceding piece of battery back electrode welds in together, composes one to have the posit

Lead-free solder, first on the battery on the main grid lines on the front of Han interconnect, and put them on a welding template, interconnection of a before and after a battery on the back electrode welded together to form a battery with a positive and negative leader series

Adopt unleaded soldering tin, first in interconnection one on battery slices of main bar of front weld on the line, then put weld at template in bunch, weld the latter interconnection piece of slice together with last slices of back electrode of battery, making up one has straight negative pole to d