比较了不同流道设计对电池性能的影响。

The influence of fuel cell performance with various flow channel design were studied.

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在完全、圆形流道设计结构下，既可以提供金属阀座阀门，也可以提供弹性阀座阀门。

Both metal and resilient seated valves are offered in a full, round port design.

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水轮机选型设计的任务是确定水轮机的主要性能参数和结构控制参数，完成水轮机的流道设计。

The task of hydraulic turbine type design, is to decide the main property parameter and the structure control parameter, to finish the design of the pipeline of hydraulic turbine.

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