为防止潜水泵在水下工作时漏电而引发触电事故，应装有漏电保护开关。
Submersible pump in order to prevent the work in the underwater leakage accidents caused by electric shock should be equipped with residual current protection switches.
奥尔德林当时使用的是毡制粗头笔，它的尖头是不导电的，接触开关不会造成短路或引发火花。
Aldrin relied on a felt-tip marker, since the non-conductive tip would close the contact without shorting it out, or causing a spark.
为防止潜水泵在水下 工作时漏电而引发触电事故，应装漏电保护 开关。
Submersible pump to prevent water leakage caused an electric shock when working accidents leakage protection switch should be instal led.
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