This paper Outlines the computer monitoring system and relay protection system of Shuiquan Bay pumping station for level ground water diversion project, and system configuration and main function.

概述了坪上输水工程水泉湾泵站的计算机监控系统、继电保护系统以及系统的配置和主要功能。

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There wasn't enough difference between the height of the ground level and the water level.

地面高度与水位没什么明显的区别。

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But because of this very low level tritium getting into the ground water and migrating it shut the laboratory down.

但是由于这个非常低标准的氚，进入到地下水里，迁移了水，关闭了实验室。

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In the center,at ground level, is a round pool of water.

VOA: special.2009.05.25

British Waterways said ground water was at its lowest level for 90 years and was taking some time to recover.

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These valves use a screw type valve instead of a simple flap, and they have a pressure regulating mechanism that will vent water to the ground if the intake pressure exceeds a set level.

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