fixed pointer造句

例句与造句

1. The operator selected a value by rotating the cylinder with respect to fixed pointers on either end of the case.
2. The dial rotated anticlockwise against a fixed pointer, showing mean time, and could be adjusted if necessary by intervals of 10 minutes of time by sliding out a pinion of 12 teeth that meshed with the 144 teeth of the main dial.
3. It's difficult to find fixed pointer in a sentence. 用fixed pointer造句挺难的