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东深供水工程是向深港两地供应淡水的引水工程，东深供水工程从1964年到1993年分别进行一期、二期、三期扩建，三期扩建工程共安装22台2000ZLQ～13．4－8型轴流泵，分别装于东深属下的司马、塘夏、竹塘、沙龄4个抽水站。自投产以来，水泵叶片根部不断出现裂纹或断裂，严重影响?
The Dongshen Water Supply Project is a diversion project to supply freshwater to Shenzhen and Hong Kong. The Dongshen Water Supply Project was expanded from the first phase to the second phase and from the third phase to the third phase from 1993 to 1993 respectively. A total of 22 units of 2000ZLQ ~ 13 were installed in the third phase of the expansion project. 4-8-type axial flow pump, respectively, installed under the East Division Sima, Tangxia, Zhu Tong, Sha 4 age pumping station. Since put into production, the root of the pump leaves continue to crack or fracture, seriously affecting?