A hand drill fitted with a backplate, against which the operator's chest is pressed when in use as a means of applying greater pressure to the…
| 单词 | θ212297 |
| 释义 | society > occupation and work > equipment > piercing or boring tools > [noun] > drill > breast-drills (5) breast drill1815 A hand drill fitted with a backplate, against which the operator's chest is pressed when in use as a means of applying greater pressure to the… French brace1846 (a) Woodworking a brace and bit drill on which the user applies pressure from the chest while drilling; cf. breast drill, n.2; (b) Theatre a… Subcategories:— part of (3) |
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