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English Translations » 历史存档[信息] » Environmental Protection Daily Quiz: 1.15 – Participate for

Environmental Protection Daily Quiz: 1.15 – Participate for prizes; 3 correct answers earn an additional 5 prizes

2016-01-15View Original

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1. The Environmental Noise Emission Standards for Industrial Enterprises at the Boundary of Their Premises (GB12348-2008) specify that the noise emission levels in Class 2 functional areas are ( ) dB during the day and at night, respectively. A、60,55 B、60,50 C、65,55 D、65,60 Answer: B
Reply #22016-01-15
1. The Environmental Noise Emission Standards for Industrial Enterprises at the Plant Boundary (GB12348-2008) specify that the noise emission levels in Class 2 functional areas are (B) dB during the day and at night, respectively. A、60,55 B、60,50 C、65,55 D、65,60
Reply #32016-01-15
 B, 60,50 .
Reply #42016-01-15
B、60,50 ~~~~~~~~~~~~~~~~~
Reply #52016-01-15
1. The Environmental Noise Emission Standards for Industrial Enterprises at the Plant Boundary (GB12348-2008) specify that the noise emission levels in Category 2 functional areas are (B) dB during the day and at night, respectively. A、60,55 B、60,50 C、65,55 D、65,60 Answer: B、60,50

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Translated at 2026-07-21 00:57:56

Original: https://bbs.hcbbs.com/thread-1537290-1-1.html

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