短語詞組短語bore -sight 視軸;瞄準(zhǔn)線reflex bore sight 反光小孔瞄準(zhǔn)electrical bore sight 電軸瞄準(zhǔn)軸muzzle bore sight 炮口十字線elevation bore sight potentiometer 高低零線調(diào)整電位計off -bore sight launching 離軸發(fā)射 返回 bore sight