In a filar micrometer: the frame holding the threads or wire used to measure distance or mark the position of an object being observed. Cf. web, n.…
| 单词 | θ117499 |
| 释义 | the world > relative properties > measurement > measuring instrument > [noun] > for measuring small objects > part of filar micrometer (1) web frame1883 In a filar micrometer: the frame holding the threads or wire used to measure distance or mark the position of an object being observed. Cf. web, n.… |
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