Applied to various parts of mechanism which form a solid support or base, on which other parts rest… The plate or block in a punching-machine on…
| 单词 | θ212307 |
| 释义 | society > occupation and work > equipment > piercing or boring tools > [noun] > punches > part of (2) bolster1678 Applied to various parts of mechanism which form a solid support or base, on which other parts rest… The plate or block in a punching-machine on… punch board1900 A stencil used to guide a mechanical punch. rare. |
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