| 单词 | peak programme meter |
| 释义 | peak programme meternounan instrument for assessing the maximum levels of an electrical sound signalAbbreviation: PPM, ppm Words nearby peak programme meterpeaker plant, peak experience, peak expiratory flow, peak flow meter, peak load, peak programme meter, peak time, peaky, peal, Peale, peamouth Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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