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成品图纸>4层以上、120-140%E3%8E%A1、造价30-40%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525E4%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525B8%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252587、开间18-20m、进深16-18m