English translation for "准直声束"
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- collimated sound beam
- Similar Words：
- "准直取景器" English translation, "准直容差" English translation, "准直射束" English translation, "准直射野" English translation, "准直设施,对线装置" English translation, "准直束" English translation, "准直水平" English translation, "准直水平仪" English translation, "准直探测器" English translation, "准直透镜" English translation
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