水平度盘调焦螺旋
/ɐdʒˈʌstɪŋ ˈkatʃ/
n
English: adjustment for horizontal-circle image · 水平度盘调焦螺旋
English · adjustment for horizontal-circle imageEspañol · botón para ajustar la imágen horizontalmenteFrançais · ajustement de l’image du cercle horizontal
释义：Knob that adjusts the sharpness of the image of the horizontal circle (graduated from 0° to 360°) in order to read the angles on the horizontal axis.