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成品图纸>三层、双拼、140-160%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525E3%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525258E%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525A1、造价20-30%E4%B8%87、开间14-16m、进深18-20m