This is also why dumping a glass of water on your head isn't very effective.
这也是为什么往头上泼一杯水没什么作用的原因。
If your sweat can't evaporate, your body can't cool down. This is also why dumping a glass of water on your head isn't very effective.
如果汗液无法挥发，那么你就没法凉快下来。这也是为什么往头上泼一杯水没什么作用的原因。
It is an effective method for improving test precision that the water head loss tests of hydropower station inlet section are performed by increasing discharge or raising reservoir water level.
同时采用加大流量法和提高库水位进行进水口段的水力损失试验，对提高试验精度是一个行之有效的方法。
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