The elevator scene of remote technical support, according to the field data from fault analysis, regular guidance repair and maintenance.
电梯现场的远程技术支持，根据现场传回的数据分析故障原因，定期指导维修保养。
The elevator scene of remote technical support, according to the field data from fault analysis, regular guidance repair and maintenance.
电梯现场的远程技术支持，根据现场传回的数据分析故障原因，定期指导维修保养。
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