英语词汇“acoustical level”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	acoustical level
释义	acoustical level 基本例句声级 In the environment with lower noise level, the earplug will decrease its sound insulation factor accordingly to ensure the useful voice can be heard.在低声级环境中，其隔音量又足够低，可以保证能接收到一些有用的声信号。
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