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耐火竖井
meaning in English
fire resisting shaft
fire-resisting shaft
Related Words
竖井延深
耐火隔墙
耐火建筑材料
耐火泥
耐火织物
耐火塞
耐火砌块
耐火铺垫
耐火乔木
耐火器材
耐火熟料砖
耐火树脂
耐火水泥
耐火塑胶
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