Package No. 39: Construction of waterproofing water intrusion into the 126m high floor waterproofing plant, the area behind the 220 kV transformer of Song Bung 4 Hydropower Plant
Package No. 39: Construction of waterproofing water intrusion into the 126m high floor waterproofing plant, the area behind the 220 kV transformer of Song Bung 4 Hydropower Plant