a piece of equipment for testing machines, esp. aircraft engines, before their acceptance for general use; also attributive and figurative.
| 单词 | θ214137 |
| 释义 | society > occupation and work > equipment > machine > machines which impart power > engine > [noun] > instrument for testing (9) test bed1914 a piece of equipment for testing machines, esp. aircraft engines, before their acceptance for general use; also attributive and figurative. Subcategories:— for measuring effectiveness, rotation, etc. (7) — testing pit (1) |
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