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成品图纸>4层以上、双拼、140-160%252525E3%2525258E%252525A1、造价30-40%2525252525252525252525252525252525252525252525252525252525252525252525252525252525E4%2525252525252525252525252525252525252525252525252525252525252525252525252525252525B8%252525252525252525252525252525252525252525252525252525252525252525252525252525252587、开间0-10m、进深18-20m