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成品图纸>四层、双拼、120-140%25252525252525252525252525252525252525252525252525252525252525252525252525E3%252525252525252525252525252525252525252525252525252525252525252525252525258E%25252525252525252525252525252525252525252525252525252525252525252525252525A1、造价40-60%252525E4%252525B8%25252587、进深18-20m