It is shown in information that the poor grounding has caused failures and resulted in expansion of failure, outage of system and equipment damage both domestically and abroad in recent years.

资料表明，国内外近年来由于接地不良，造成事故扩大，导致系统停运、设备损坏的例子是不少的。

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He said a lot of work had been carried out with suppliers including JT in advance but, due to equipment failure beyond the company's control, people initially calling for information had not been able to get through.

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