| 单词 | center punch |
| 释义 | center punch (once / 622069 pages) vn WORD FAMILY center punch: center punches, centering punch USAGE EXAMPLESA center punch mark is then made upon the face of the steam chest. Various, Scientific American, Vol. XXXVII.?N...(2012) Center punch for marking terminals and connectors before drilling. Witte, Otto A., The Automobile Storage Battery—Its...(2010) Using the Dividers.—Then try your hand using the dividers, in connection with a centering punch. Zerbe, James Slough, Practical Mechanics for Boys(2010) 1v make a small hole in something as a guide for a drill Hyper pierce, thrust penetrate or cut through with a sharp instrument 2n a tool with a conical point that is used to make indentations in metal (especially to mark points for drilling) Hyper punch, puncher a tool for making holes or indentations |
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