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我国沿海地区旧住宅多数都设置有地下室。有些还住人,有些用作贮藏室或锅炉房使用。仅天津市地下室住人者约有10万平方米,4000间,2600余户。房龄约有60～70年的历史,大都属于庭院式住宅,建筑立面设计比较考究,外檐大都是混水墙高级抹灰。砖墙砌体材料都是手工砖,砂浆标号较低,加之,地下室比较深,从0.45～1.80米,多为
Most of the old houses in the coastal areas of China have basements. Some people still live, some use it as a storage or boiler room. There are only about 100,000 square meters, 4000 and 2,600 households in the basement of Tianjin. The age of the house is about 60 to 70 years old. Most of them belong to the courtyard house. The design of the building facade is more sophisticated and the outer walls are mostly plastered with high-grade plastering walls. Brick wall masonry materials are hand-made bricks, the mortar number is lower, plus the basement is relatively deep, from 0.45 to 1.80 meters, mostly