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成品图纸>美式、300%2525252525252525252525E3%25252525252525252525258E%2525252525252525252525A1%2525252525252525252525E4%2525252525252525252525BB%2525252525252525252525A5%2525252525252525252525E4%2525252525252525252525B8%25252525252525252525258A、造价40-60%252525252525252525252525E4%252525252525252525252525B8%25252525252525252525252587、进深18-20m