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瑞士大狄桑士壩为目前世界最高的壩,高284公尺,壩顶长700公尺,壩底最厚处达191.1公尺。已于1950年开工(自1950年至1953年为交通系统及施工机械装置等准备工程),至1957年4月混凝土方已做了400万公方,其他工程亦跟着进展,在计划中总长110公里的引水隧洞,已完成35公里,厂房本身工程亦按照原计划进行,57年7月前可安装二机组。由费翁纳通至郎达士地下厂房的隧洞,
The Grand Deisse Dam in Switzerland is the tallest dam in the world with a height of 284 meters and a crest of 700 meters. The thickest part of the dam reaches 191.1 meters. Started construction in 1950 (from 1950 to 1953 for the transport system and construction machinery and equipment, etc.) until April 1957, the concrete side has made 4 million square meters, and other works have also followed the progress of the total planned length of 110 Km of diversion tunnel has been completed 35 kilometers, the plant itself works also in accordance with the original plan, 57 years in July before the installation of two units. From Fiona to Langda underground tunnel,