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【Daily Question】Utilities – Civil Engineering – 20200608

2020-06-08View Original

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When the lights are installed on a chimney, they are placed at a height of () m below the chimney opening and arranged in a triangular pattern horizontally. A. 0.5~2 B. 1~2.5 C. 1.5~3 D. 2~3.5 Answer: C

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