The invention has the advantages of low manufacturing cost, rapid water lever dynamic response at high temperature, and lower water level measurement error.

本发明制造成本低，高温时水位动态响应迅速，水位测 量误差小。

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The impervious wall of this project is located in water bearing sand and gravel, the collapse hole takes place due to some factor affect, the deep well lower water level measures are adopted.

本工程防渗墙在富含水砂卵砾石地层施工中，由于各种因素引起严重塌孔，施工中采用了深井井上降水措施。

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The Balkhash lake, he said, was “losing water.” “The water level is now lower by more than two metres to what it was three decades ago.

他说，巴尔喀什湖正在“失水” “现在的水位比三十年前低了两米多。

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Any attempt to lower the water level behind the dams would cut the amount of water available for both manufacturers and farmers.

ECONOMIST: Water in the West (2)

Syria contends that the late Israeli Prime Minister Yitzhak Rabin agreed during lower-level peace talks that stalled in 1996 to return the Golan, a water-rich region that overlooks the upper Jordan River valley.

CNN: Albright: 'No done deal' as Israel, Syria prepare to meet

But it clearly occurred to some of these displaced farmers that the slow-moving waters of the lower Tigris and Euphrates, near sea level, could be diverted using canals and used to water crops.

ECONOMIST: Climate change and civilisation