指示针 meaning in English
index hand
indicating end
indicating needle
Examples
- Two coloured indices are fitted up inside the capillaries on either side of a u - tube . when the temperature falls , the index will keep still , therby indicating maximum and minimum temperatures
在温度管左右毛细孔内各装有1枚指示针。当温度上升时，指示针受水银柱推动而上升；温度下降时，指示针不受影响，可停留在原点，从而指示出最高或最低温度。