?????? ?? ????? , ???? ??????? ?????? ?????? ?????? ?? ????? ????? ?????? ????.

?? ??????? ???????
?? ??????? ??????? ?? ??? ?????? ??? 2009.
?? ??????? ??????? (Earth) ???? ?? ??????? ???????
??? ????	?江三?水利??工程
?????	????:?????? ??? China
??????? ?????? ????	Sandouping , Yiling , Hubei
?????	30°49′48″N 111°00′36″E ? / ? 30.83000°N 111.01000°E ? / 30.83000; 111.01000
?????	Operational
????? ?????	December 14, 1994
????? ????????	2008
????? ?????	￥ 180 billion (US$26 billion)
??????	Three Gorges Dam Project
Dam and spillways
Type of dam	Gravity dam
Height	181 m (594 ft)
Length	2,335 m (7,661 ft)
Crest width	40 m (131 ft)
Base width	115 m (377 ft)
Impounds	Yangtze River
Spillway capacity	116,000 m 3 /s (4,100,000 cu ft/s)
Reservoir
Creates	Three Gorges Reservoir
Capacity	39.3 km 3 (9.4 cu mi)
Catchment area	1,000,000 km 2 (390,000 sq mi)
Surface area	1,045 km 2 (403 sq mi)
Normal elevation	175 m (574 ft)
Reservoir length	600 km (370 mi)
Max. reservoir width	1.1 km (0.68 mi) avg.
Power station
Commission date	2008?2011
Type	Conventional
Hydraulic head	Rated: 80.6 m (264 ft) Maximum: 113 m (371 ft) [1]
Turbines	29 × 700 MW 2 × 50 MW
Installed capacity	20,300 MW
Maximum capacity	22,500 MW
Annual generation	80,000 GWh
Net generation	368 TWh (2009)

?? ??????? ??????? ?? ?? ????? ????? ??????? ???? ??? ??? ??????? ?? ????? . ?? ??????? ??????? ?? ???? ???? ????? ??????? ?? ?????? ??? ?????? ??? ??????? (20300 ??????? ) ? ??? ???? ?? ?????? ?????? ??? ?? ??????? ??????? ????? ????? ??????? ?? ?????. ^[2]

???? ???? ?? ??????? ??????? ??? 2006 ?? ??? ???? ??? ????? ? ? ?????? ?????? ??????? ??? ??? 30 ?????? ??? 2008 ? ??? ????? 26 ?????? ? ????? ??????? ???????.

?? ????? ?? ??????? ??????? ??????? ??? ????????? ? ????? ??????? ? ?????? ?????? ? ????? ??????? ? ????? ? ????? ??????? ??? ????? ????? ? ????? ??? ???????. ^[3]

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