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成品图纸>四层、双拼、120-140%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525E3%252525252525252525252525252525252525252525252525252525252525252525252525252525252525258E%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525A1、造价30-40%252525E4%252525B8%25252587、开间18-20m、进深20m%E4%BB%A5%E4%B8%8A