a piece of equipment for testing machines, esp. aircraft engines, before their acceptance for general use; also attributive and figurative.
| 单词 | θ214650 |
| 释义 | society > occupation and work > equipment > [noun] > for testing equipment (2) test bed1914 a piece of equipment for testing machines, esp. aircraft engines, before their acceptance for general use; also attributive and figurative. test rig1957 an apparatus used for assessing the performance of a piece of mechanical or electrical equipment. |
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