Along with the rapid exploitation of water power resource in west of the country, more and more mid or low-head flood gate dam hinges are appearing.

随着我国西部水电资源的快速开发利用，出现了趆来趆多中低水头的闸坝型水利枢纽。

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In most instances, a low-head dam does not look dangerous, yet can create a life-threatening situation.

在更多的事例中，低水头坝看起来不怎么危险，但是可能会产生危及生命的情况。

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But a low-head dam that delivered irrigation water also blocked fish movement.

CNN: Migrating fish get help in uphill battle