以前喝瓶里的水还可以放石子抬高水位，以示我的聪明，今年就变化这么大吗？
Why, before the jar of water to drink water still can put up to my stones of clever, this year's change so big?
第二座大坝将湖面抬高了3.5米，而第三座大坝又让水位上升了30米。
The second dam raised the lake’s level by 3.5 meters (12 feet), and the third dam raised water levels by 30 meters (100 feet).
龚嘴水电站自运行以来，尾水位的抬高一直威胁着厂房(指地面厂房)的消防安全。
Since Gongzui Hydropower Station put into operation, the tail water level always threaten the flood control safety against pow er-house (in di cating powerhouse on the ground).
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