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城大主導的一項研究計劃獲4千多萬港元資助，研究提升高速鐵路和鐵道系統安全及可靠程度的工具。
The malfunctioning of the U-shaped water trap (U-trap), identified as one of the causes for the environmental transmission of the SARS virus at Amoy Gardens, has drawn public attention to the performance of the existing sewage and drainage systems in buildings.