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萧绍平原是我省主要商品粮基地之一。老三江闸建于明代,是历来的主要挡潮排涝闸。后因曹娥江江道外移了2.5公里,失去排涝作用,变成了内河节制闸。1962年新建的马山闸,因位近上游,不能满足整个萧绍平原排涝需要。1977年在老三江闸外建造新三江闸,采用钢筋混凝土平板闸门和单作用柱塞式油压启闭机,于1980年建成。获省优秀设计二等奖,并被评为省优质工程,油压启闭机亦获省水利厅科技成果二等奖。现将有关油压启闭机的设计应用情况简介如下:
Xiao Shao Ping is one of the main commodity grain base in our province. Old Sanjiang gate built in the Ming Dynasty, is the main tide has been floodgate. Due to Cao Ejiang Jiangdao moved 2.5 km, lost drainage effect, into a river control gate. The newly built Mashan Gate in 1962 can not meet the entire drainage needs of the entire Shaoxing Plain due to its proximity to the upper reaches. Built in 1977 in the old Sanjiang gate outside the new Sanjiang gate, the use of reinforced concrete flat gate and single-acting plunger hydraulic hoist built in 1980. Won the second prize of provincial outstanding design, and was rated as provincial quality projects, hydraulic hoist also won the second prize of scientific and technological achievements of the Provincial Department of Water Resources. Now the design and application of hydraulic hoist briefings are as follows: