例句與造句

1. Slide the blade around so it intersects through desired angle gradation on the protractor scale.
2. An "'Abney level and clinometer "', is an instrument used in surveying which consists of a fixed sighting tube, a movable spirit level that is connected to a pointing arm, and a protractor scale.
3. It's difficult to find protractor scale in a sentence. 用protractor scale造句挺難的