Read Edit View history 噪音指示计 zàoyīnzhǐshìjì noise meter Origin Definitions Defs Strokes Stroke Words Sentences Sents 噪音指示计 噪音指示計 zàoyīnzhǐshìjì noise meter An instrument used to measure the loudness of noise; sound level meter
噪音指示计 噪音指示計 zàoyīnzhǐshìjì noise meter An instrument used to measure the loudness of noise; sound level meter