防震缝两侧结构类型不同时，宜按需要较宽防震缝的结构类型和较低房屋高度确定缝宽
防震缝两侧结构类型不同时，宜按需要较宽防震缝的结构类型和较低房屋高度确定缝宽A
两侧
Young boys and girls stood on _____ sides of the street to welcome the president from Africa.
Young boys and girls stood on \_\_\_\__ sides of the street to welcome the president from Africa.
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