在短路接地回路上，人体接触电气设备带电外壳的点与站立点之间存在接触电压。
There is touching voltage between body touch electric equipment case with electricity point and stand-up point in loop of short circuit ground.
因此，必须做好电气设备的保护接地和输油管线等设施及人体的排静电接地，并且要认真地进行检查和维护。
Therefore, it is important to guarantee the grounding of electric equipment and electrostatic grounding of human body, while taking regular check and maintenance seriously.
目的：形象展示心电图的形成原理，利用人体模型更直接地展示心电图的形成过程。
Objective To vividly display the forming principle of anthropometric ECG by using mannequin.
目的：形象展示心电图的形成原理，利用人体模型更直接地展示心电图的形成过程。
Objective To vividly display the forming principle of anthropometric ECG by using mannequin.
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