操作员们认为仪表显示峰值只是因为电气故障，而巨响被认为是通风阻尼器所发出的声音，至少有一部分人这么认为。

The spikes are believed to be caused by an electrical malfunction; the thud is thought, at least by some, to be just a ventilator damper.

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这些仪表正在由操作员调试。

These instruments are being tweaked by the operator.

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这些仪表正在由操作员调试。

These instruments are being tweaked by the operator.

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