| 单词 | variable-density wind tunnel |
| 释义 | variable-density wind tunnelnouna closed-circuit wind tunnel entirely contained in a casing in which the pressure and therefore the density of the working fluid can be maintained at a preselected value Words nearby variable-density wind tunnelvariability, variable, variable annuity, variable contrast paper, variable cost, variable-density wind tunnel, variable-geometry, variable life insurance, variable-pitch, variable-rate, variable region 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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