A duplicate of a part of a machine kept or available in readiness to replace a loss, failure, or breakage. Frequently plural.
| 单词 | θ214536 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > [noun] > duplicate (1) spare part1888 A duplicate of a part of a machine kept or available in readiness to replace a loss, failure, or breakage. Frequently plural. |
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