| 释义 |
詞目:Counter-sink 1908顏惠慶英華大辭典Counter-sinkn.1A drill for counter-sinking, 山頭錐山頭錐v.t.1To drill a conical depression in wood or metal, as in a hole for a screw, 鑽埋頭孔, 穿圓錐形之孔(以埋螺絲釘之頭也)鑽埋頭孔、穿圓錐形之孔(以埋螺絲釘之頭也)1908顏惠慶英華大辭典 1筆p 499 1913商務書館英華新字典Counter-sinkv.t.1鑽圓錐形之孔n.鑽圓錐形孔鑽p 120 1913商務書館英華新字典 1筆 |