To introduce the structure, performance and design of the differential stop check valve.
介绍了差压式截止止回阀的结构、性能和设计要点。
With the design optimization of the valve structure, the valve strength is improved and satisfied.
通过局部改进设计和优化，使阀壳强度符合设计要求。
In general, WILLIAMSONs trunnion ball valve features the front ball sealing design structure.
威廉姆森固定球阀一般采用球前阀座密封结构。
Structure design and application of hydraulic automatic pressure-increasing valve;
因此，需研制结构简单、成本低、效率高的水压自动增压阀。
Structure design and application of hydraulic automatic pressure-increasing valve;
因此，需研制结构简单、成本低、效率高的水压自动增压阀。
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