First, the district Guoku Chu construction of a booster pump station, on the water pressure.
一是在区国库处建一加压泵站，对自来水加压。
Indoor Outdoor as School, Bus Station, District, Park etc required PA System.
学校、车站、小区、公园等需要公共广播播音的室内外场所。
Indoor Outdoor as School, Bus Station, District, Park etc required PA System.
学校、车站、小区、公园等需要公共广播播音的室内外场所。
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