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1·These diffusers include vaneless diffuser, vaned diffuser, low solidity diffuser and half-guide-vanes diffuser.

采用的扩压器包括无叶扩压器、叶片扩压器、低稠度扩压器和半高导叶扩压器。

2·Vaned diffuser plays an important role in centrifugal compressor as it can improve the performance of compressor and broaden the operating range.

离心压缩机中，叶片扩压器对提高压缩机整机性能、拓宽有效运行范围发挥着举足轻重的作用。