designation hole
英 [ˌdezɪɡˈneɪʃn həʊl]
美 [ˌdezɪɡˈneɪʃn hoʊl]
标志孔
双语例句
- This paper describes the designation of a measuring instrument of the angle of the inclined hole, and develops a professional instrument which is low-cost, highly-practical and has a high precision.
文章通过斜孔角度测量仪的设计，开发了一种低成本、实用性强、精度高的专用仪器。 - A Kind of the Designation Skill on Warm Extrusion Concave Die Hole of Large Deformation Degree Part
大变形零件温挤压凹模型孔设计技巧