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成品图纸>四层、双拼、120-140%252525252525252525252525252525252525252525252525252525252525252525252525252525252525E3%2525252525252525252525252525252525252525252525252525252525252525252525252525252525258E%252525252525252525252525252525252525252525252525252525252525252525252525252525252525A1、造价20-30%25252525252525E4%25252525252525B8%2525252525252587、开间0-10m、进深16-18m