With down. To reduce in size the bore of (a firearm or engine), by fitting metal shafts, etc. within the barrel or cylinder. Also with the barrel…
| 单词 | θ214097 |
| 释义 | society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > operate internal-combustion engine [verb (transitive)] > reduce bore size (1) sleeve1976 With down. To reduce in size the bore of (a firearm or engine), by fitting metal shafts, etc. within the barrel or cylinder. Also with the barrel… |
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