正极导线 positive wire
导线正反螺丝扣 wire turn-buckle
导线反正扣 wire-adjusting screw
馈线与校正场线圈导体 Feeder&CC conductors
用一个鳄鱼嘴导线连接土豆A的铜电极至钟的正（+）极
Use an alligator-clip wire to connect the copper electrode of potato A to the plus (+) connection in the clock.
为了准确反映电力机车的负载电流或短路电流，应将接触导线和正馈线上的电流互感器次边差接。
In order to measure accurately the load of electric locomotives and short circuit current, the secondary side of CTs connected with catenary and feeder should be connected in differential mode.
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