- Analysis of axis adjustment for vertical unit
- The fine tuning for the optical axes boresight was achieved by setting a spatial transfer reference with several sets of autocollimators and adopting a large-aperture optical axis adjustment device.
- A small adjustment will equalize the temperature in the two rooms.
- The heavy ax was awkward to use.
- Method of three-centigrade-meter for horizontal hydroelectric generator axis adjustment
- Some adjustment of the lens may be necessary.