莱顿瓶或电器发出来的电竟使死蛙的腿动起来。
That electricity from a Leyden jar or an electric machine would cause the legs of a dead frog to move.
拆下大型固定CO2的启动瓶控制管路（包括消防站的），关闭CO2到机舱的释放阀，将CO2的门电焊焊死。
I. To disconnect the fixed CO2 start up line (include in fire station) and to close CO2 discharge valve to engine room.
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