Shallow underground water in south of Boxing county has the characteristics of wide distribution, stable reentry and alimetation condition and complicated hydrochemical characteristics.
博兴县南部浅层地下水具有埋藏分布广泛、补排径条件稳定、水化学特征复杂等特点。
Water source heat pump (WSHP) replaces cooling towers with underground constant temperature water, and has the characteristics of high efficiency energy-saving.
水源热泵用地下恒温水源代替冷却塔，具有高效节能的特性。
According to the various characteristics of underground piping network of supplying water, a basic thinking of anti - seism of underground piping network can be established.
根据地下管网各组成单位不同的抗震特征，才能确定地下管网抗震设计基本思路。
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