The application of digital display level in daily life
1. Railway system: train manufacturing and control automation improve the detection of rail levelness
2. Industrial automation: metallurgy, chemical industry, petroleum exploration, light industry, coal, instrumentation
3. Automobile industry: four-wheel alignment, road surface control, engineering vehicle leveling
4. Machinery industry: the level and position of mechanical workbenches, lathes and cutting workbenches
5. Building construction: Pitch angle, roll angle and inclination angle of construction engineering equipment, slope detection of road administration bridges
6. Electronic communication industry: angle alignment of radar antenna, elevation angle measurement of satellite antenna and TV receiver
