Lime process system is adopted in municipal sewage retrieval project of Shanxi Houma Power Plant.

山西侯马发电厂城市污水回用工程深度处理，采用石灰处理系统。

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Before several M5.0 earthquakes from 2001, the wave recording data of the deformation digital observation show the clear changes in seismic station of Houma, Shanxi Province.

在中国大陆2001年以来发生的数次5级以上地震前，山西侯马数字化形变台的波形记录发生了明显变化。

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