A计权声压级
A-weighted sound pressure level
011-94
A计权声级
A weighted sound pressure level
加权声压级
weighted sound pressure level
A计权声暴露级
A weighted sound exposure level
精密声级计
precision sound level meter
sound grader
8h等效A声压级
8 hours’ equal effect of pressure level A
倍频程带声压级
octave band pressure level
倍频带声压级
frequency band sound pressure level
必备声压级
ensure sound pressure level
操作者声压级
operator sound pressure level
传声器最高声压级
maximum sound pressure level of microphone
等效声压级
equivalent sound pressure level