electrocardiograph paper

例句：

1. 1.The doctor needs to use a special type of paper for the electrocardiogram.
   医生需要使用一种特殊的纸进行心电图。
2. 2. The patient was asked to lie on the table with his arms above his head.
   患者被要求躺在床上，双臂放在头顶上方。
3. 3. The nurse carefully placed the electrodes on the patient's chest and then connected them to the machine.
   护士小心地把电极放在患者的胸部，然后将它们连接到机器上。