- pk.=peak
- 峰值: peak value; crest value; ape ...
- 指示灯: pilot lamp; pilot light; gui ...
- 峰值指示器: peak indication instrument; peak indicator
- 最大值指示器峰值指示器: maximum pointer
- 指示灯: pilot lamp; pilot light; guiding lights; indicator lamp; indicator light; indicating lamp◇指示灯插座 pilot bracket
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