为了发展航运,提高水运在国民经济中的作用,随着大规模水利工程的兴建,近30年来苏联建设了一些高水头(水头高于30米)单级或多级船闸(表1)。这些船闸投入运转以后,曾进行了各种原体观测和试验室研究,且特别注意输水系统和阀门的工作安 In order to develop shipping and enhance the role of water transport in the national economy, with the construction of large-scale water conservancy projects, the Soviet Union has built some single-stage or multi-stage locks (Table 1) with high head (above 30 meters) in the past 30 years. After these locks have been put into operation, various prototypes for body observation and laboratory research have been conducted, with special attention paid to the work safety of water delivery systems and valves