本文介绍了一种利用光学干涉原理检测水力机械叶片的新方法，即密栅云纹法。
A new method for measuring runner blades of hydraulic machine, known as the fine moire pattern, based on principle of optical interference is introduced.
本文介绍了一种利用光学干涉原理检测水力机械叶片的新方法，即密栅云纹法。
A new method for measuring runner blades of hydraulic machine, known as the fine moire pattern, based on principle of optical interference is introduced.
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