发布时间:2025-01-28 01:18:38
【答案】:C
《图书馆建筑设计规范》(JGJ38-2015)规定:4.2.9书库内工作人员专用楼梯的梯段净宽不宜小于0.80m,坡度不应大于45°,并应采取防滑措施。
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2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38冰柜十大名牌排名榜家用冰柜品牌排行榜前十名_冰柜什么牌子的好哪个质量好
2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38 2025-01-28 01:18:38