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70dB相当于什么级别的声音,就是大概有多大了?
70dB相当于什么级别的声音,就是大概有多大了?
2025-03-14 23:11:12
推荐回答(2个)
回答1:
中上级别的噪音,已经形成对人的干扰,这个级别的噪音可使人心烦气闷。长期以往易得精神方面疾病。
回答2:
货车通过的水平
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