electrode rod

例句：

1. 1. The device uses a pair of electrode rods to measure the electrical resistance of the material.
   该设备使用一对电极棒来测量材料的电阻。
2. 2. During the experiment, the scientist carefully inserted the electrode rod into the sample.
   在实验中，科学家小心地将电极棒插入样品。
3. 3. The doctor used an electrode rod to stimulate the patient's brain during the treatment.
   医生使用一根电极棒在治疗期间刺激患者的脑部。