电热抽油杆
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bolt electric heating rod 螺栓加热棒
A connecting pillar of electrical main is arranged on the end part of the electric heating metal rod and is connected with anode and cathode of a vehicle battery jar.
电加热 金属棒端部设置电源线连接柱通过导线与车辆电瓶电源正负极相连 接。
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