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噪声严重污染环境影响人们的生活和工作已成为社会公害．下列措施中不能减弱噪声的是 A机动车辆在市内严禁鸣笛b学校将高音喇叭换成许多小 Template






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sketch 4722 Ichigo by Gopal Gopi
sketch 5069 Mad Hatter by Ahmed Mostafa
sketch 5297 Journey by Dmitry Sidorenko
sketch 4885
sketch 4698
sketch 3676 Sceptical horse by Koes Maung
sketch 5018 Owl by Komlós László
sketch 1833 Head shot - abz

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tomski噪声严重污染环境影响人们的生活和工作已成为社会公害．下列措施中不能减弱噪声的是 a机动车辆在市内严禁鸣笛b学校将高音喇叭换成许多小 coloring
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环境保护噪声污染按噪声源性质的不同大致分为交通噪声污染工业噪声污染建施工噪声污染和社会生活噪声污染四大类型适合人类生存的最佳声音 sketch template
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环境保护噪声污染按噪声源性质的不同大致分为交通噪声污染工业噪声污染建施工噪声污染和社会生活噪声污染四大类型适合人类生存的最佳声音 sketch template
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环境保护噪声污染按噪声源性质的不同大致分为交通噪声污染工业噪声污染建施工噪声污染和社会生活噪声污染四大类型适合人类生存的最佳声音 sketch template
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