还真不贵,国内高速公路基本是空置,都属于超前建设。但不建还是不行, 当时劳力还是便宜啊,晚几年投入会更大。
还真不贵,国内高速公路基本是空置,都属于超前建设。但不建还是不行, 当时劳力还是便宜啊,晚几年投入会更大。
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