实验测量了在设计转速下该风机全工作范围的性能参数。
The performance parameters at the design speed are measured in the experiments.
通过试验，找到了该压气机在设计转速下的一组最佳角度匹配。
A set of optimum matching vane angles at design speed was found by the tests.
根据设计转速下的计算结果，预估了压气机设计点的喘振裕度。
The surge margin at design operating point was estimated by the numerical results.
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