释义 |
knapping hammer
knapping hammer n (Building) a hammer used for breaking and shaping stones knapping hammer
knapping hammer[′nap·iŋ ‚ham·ər] (engineering) A steel hammer used for breaking and shaping stone. knapping hammerA steel hammer for breaking stone; used for splitting cobbles and for shaping paving stones or producing roughly sized material; usually has two square (or rectangular) faces, or one such face and a wedge peen. |