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1. Water quality analysis of water sources can refer to boiler water quality analysis methods. The concentration of calcium and magnesium ions in water should be analyzed first, which is called hardne···
1. The following buildings shall be provided with indoor fire water supply:(1) Seawater desalination equipment in scientific research buildings whose height does not exceed 24m for factories, warehous···
Shanghai New International Exhibition Center of China World ExpoTime: 6-8 May 2015Address: Shanghai New International Expo Center (2345 Longyang Road)Booth number: N3 Pavilion 3639Welcome new and old ···