That sends electricity along the printed wires to the Bluetooth chip.

这会将电力沿着印刷电线传送到蓝牙芯片。

Co-extrusion also promises to improve the efficiency of solar cells by printing the silver wires that conduct current out of a cell.

共同挤压的方法也可以通过打印银线（作用是将电流传导出一块电池）来提高太阳能电池的效率。