自动微调 meaning in Chinese

afc
aft automatic fine tuning
automatic fine control
automatic trimming

Automatic trimming correction
自动微调校正
The upper slotting / crease shaft is using automatic plane minor adjustment sysem , also allow roational adjustment of 360 degrees whatever operating or stop . the slotting shaft also using zero - storing system
上刀轴装设平面式自动微调装置,刻度清晰,不论运转或停上均可做360相位调整,刀轴及附自动归零装置。