...；地下水位 [gap=720]Keywords: municipal pipeline; Pipe laying; Closed water test; Backfill; The underground water level ...
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But people also know that in 2002 to 2003 year, the underground water level in Beijing dropped three metres.
但人们也知道，2002年到2003年一年间，北京的地下水水位下降了三米。
Hence, the influence of the underground water level can be negligible in pile integrity test and estimation.
因此，在桩的完整性测试中可以忽略地下水位的影响。
In some parts of the country, rivers have dried up, the underground water level continues to decline and the environment deteriorates day by day.
部分地区江河断流，地下水位持续下降，生态环境日益恶化。
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