求翻译：在工作之前必须做好安全准备，断开所有应断开开关，确保电容、电感放电完全，必要时应穿绝缘鞋，带低压绝缘手套，使用绝缘工具，工作完毕后应排除系统可能存在的事故隐患是什么意思？

Security preparations must be done before the work, disconnect all disconnect switch, ensure that the capacitance, inductance discharge completely, as necessary, wear insulated shoes, with low-voltage insulated gloves and use insulated tools should be excluded from work after the accident may exist

The work must be done before security preparedness should disconnect switch disconnect all capacitance, inductance, and make sure discharge is fully and, if necessary, should be wearing insulated shoes, with low-voltage insulating gloves, and use insulated tools, and should be excluded after the com

Before work must prepare for safe, the separation all should separate the switch, guarantees the electric capacity, the electromagnetic discharge is complete, when necessity should put on the insulation shoes, brings the low pressure insulating gloves, the use insulation tool, after the work to fini

Work must be done before the security preparations, disconnect all disconnect switch, ensure that the capacitor, inductor discharging fully and, if necessary, should be wearing insulating shoes, with low-voltage insulating gloves, insulated tools, work should be excluded after the system may have hi

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