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为了检查机床安全接地线的可靠性，我们结合每年一次节假日的例行停工检修的同时，统一的对机床进行检直，以便能够及时发现缺陷加以改进，确保安全生产。我们采取的方法极其简单。取220V1000W碘钨灯（灯管和灯架）一只装以400mm长的木棍（取之于清洁用的拖把柄）。另取塑料绝
In order to check the reliability of the safety ground wire of the machine tool, we combined with the annual routine maintenance work on holidays, and checked the machine tools uniformly in order to detect the defects in time and improve the safety production. The approach we take is extremely simple. Take 220V1000W iodine tungsten lamp (lamp and lamp holder) A 400mm long wooden stick (which is used for cleaning mop handle). Another plastic absolutely