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成品图纸>4层以上、100-120%E3%8E%A1、造价20-30%252525252525252525252525252525252525252525252525252525252525252525252525E4%252525252525252525252525252525252525252525252525252525252525252525252525B8%25252525252525252525252525252525252525252525252525252525252525252525252587、开间18-20m