发生事故的原因是设备维修人员错误更换零部件造成的。
The cause of this accident is the mistake on changing parts by maintenance worker.
我认为我们应该更关注发生事故的具体原因，并考虑。
I think we should look at the cause of the incident and consider that.
我认为我们应该更关注发生事故的具体原因，并考虑。
I think we should look at the cause of the incident and consider that.
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