单词：guide vane
guide vane的用法和样例：
例句
- The thesis compares the vaneless diffuser with the vane diffuser, and indicates that the vane diffuser is propitious to improve the fan performance.指出了斜流叶轮设置导向叶片扩压器有利于提高风机性能，因此在斜流风机中推荐使用叶片扩压器。
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