Around the pumping Wells and within the limit of a funnel-shaped ground water surface, not only vertical movement, but also horizontal compression and dilatation can be observed.
抽水所造成的地下水漏斗区范围内，不仅能产生垂直形变，而且在其影响的不同部位，还形在压缩和拉伸的水平形变。
In the urban pumping stations, owing to the terrain or the limit of land use, the side-direction for bay is often adopted.
在城市排水泵站中，由于受地形、用地的限制，常采用布置紧凑的侧向进水前池。
The upper limit of the gain is determined by the threshold of the SBS of the system. The maximum gain can be raised in the case of double-pass pumping.
增益的提升上限取决于系统受激布里渊散射的阈值，在双程泵浦下增益的上限可得到提高。
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