| 单词 | position mark |
| 释义 | > as lemmasposition mark position mark n. a mark made on a component part of a structure to indicate the position it is designed to occupy. ΘΚΠ society > occupation and work > industry > building or constructing > building or providing with specific parts > specific parts built or constructed > [noun] > mark on part to indicate designated position position mark1928 1928 G. G. Coulton Art & Reformation viii. 145 An inspection..will convince us that the rare marks found otherwise than on the surface are not banker-marks, but position-marks. 1988 D. Rees GCSE CDT—Design & Realisation xvi. 162 Cut a channel in the drag flask from the position marks left by the sprue pins. < as lemmas |
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