Scale is one of the most serious problems in water controlling in oil field.
油气田结垢是油田水质控制中遇到的最严重的问题之一。
To form an administration of this scale and complexity is a serious undertaking in itself.
组织如此复杂并具有如此规模的内阁，本身就是一项严肃的任务。
Once the machinery equipment, large-scale particularly equipment, occurred fault, it will cause very serious consequences.
机器设备尤其像大型的设备一旦发生故障，会造成十分严重的后果。
Once the machinery equipment, large-scale particularly equipment, occurred fault, it will cause very serious consequences.
机器设备尤其像大型的设备一旦发生故障，会造成十分严重的后果。
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