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成品图纸>4层以上、160-180%25252525252525252525252525252525252525252525252525252525252525252525252525252525E3%252525252525252525252525252525252525252525252525252525252525252525252525252525258E%25252525252525252525252525252525252525252525252525252525252525252525252525252525A1、造价30-40%25252525E4%25252525B8%2525252587、开间0-10m、进深18-20m