电抗谐振指示器
reactance resonance indicator
光控介质谐振器振荡器
Optically controlled DR-Oscillator
色彩调谐指示器
colorama tuning indicator
谐振指示管
resonance indication tube
阴极射线调谐指示器
cathode-ray tuning indicator
cathode tuning indication
电抗共振指示器
reactance resonance indicator
振动滤清器指示器灯
vibratory filter indicator light
变速箱机油滤清器指示器
transmission oil filter indicator