| 摘要 |
<p>The device has a traverse (14) on which measuring units (1) are arranged, and a track on which bearings run, and on which the traverse is held using another two bearings. The units of a measuring instrument are positioned radially in relation to the track and along the track. The traverse comprises multiple components, where two of the components are held inside each other so that the components slide telescopically.</p> |
