土木工程拓展署土力工程處 GEO, CEDD - YouTube

About 土木工程拓展署土力工程處 GEO, CEDD This is the official Youtube page of the Geotechnical Engineering Office (GEO) of the Civil Engineering and Development Departme... ... 3:57 Play next Play now Enhanced Use of Underground Space 30 views 1 ...

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