通过煤矿井下防爆电气故障引发事故的列举，阐述了井下防爆电气故障产生的主要原因，并对其进行了较详细的分析。
The author enumerates the accidents happened in coal mine caused by electrical malfunction of explosion protected equipments and analyses the main causes of these electrical malfunctions.
对客户使用的防爆叉车进行定期的现场维护，电气，机械故障后的诊断及维修。
Regular on-site maintenance for customer"s explosion protected forklift trucks. Diagnose and repair electrical and mechanical failure."
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