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English Translations » 历史存档[信息] » Environmental Protection Tip of the Day 5.27: Reward for par

Environmental Protection Tip of the Day 5.27: Reward for participation, plus 3 more rewards for answering correctly

2016-05-27View Original

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Multiple-choice question: When storing materials such as coal, coal gangue, cinder, sand and gravel, and lime soil in densely populated areas, it is necessary to take ( ) measures to prevent air pollution. A. Rainproof B. Flameproof C. Dustproof D. Windproof. B C
Reply #22016-05-27
When storing materials such as coal, coal gangue, cinder, sand and gravel, and lime soil in densely populated areas, it is necessary to take (B, C, D) measures to prevent air pollution. A. Waterproof B. Flame-retardant C. Dust-proof D. Windproof.
Reply #32016-05-27
B. Flame retardant C. Dustproof
Reply #42016-05-27
B. Flame retardant C. Dustproof

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Translated at 2026-07-21 00:10:17

Original: https://bbs.hcbbs.com/thread-1589060-1-1.html

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