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成品图纸>4层以上、160-180%252525252525252525252525252525252525252525E3%2525252525252525252525252525252525252525258E%252525252525252525252525252525252525252525A1、造价40-60%2525E4%2525B8%252587、开间20m%25E4%25BB%25A5%25E4%25B8%258A、进深20m%2525252525E4%2525252525BB%2525252525A5%2525252525E4%2525252525B8%25252525258A