论文部分内容阅读
价格下跌,但有了规模,降了成本;养殖水面扩大,产量增加,虽物以多为贱,但利润增长空间尚有很大
Prices fall, but with the scale, cost down; aquaculture water surface expansion, increase production, although many are cheap, but there is still much room for profit growth