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.
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.
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。
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