234-1(N)(ESP0004+Sound)0125

Sound in Decibel. Decibel Level: 0-20dB, Description: silence, with hardly any audible sound , Harm: none; 20-40dB, Description: quiet murmur, Harm: none ; 40-60dB, Description: normal indoor conversation, Harm: none; 60-70dB, Description: clamor, l
  234, sound, 声音, 0125, 826367

Field 1 Chart
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Channel Location