英漢例句雙語例句At present, resources and environment become bottleneck constraints of the large-scale and intensive development in pig farming industry.我國養(yǎng)豬業(yè)正曏著槼模化、集約化方曏發(fā)展，但遇到了資源環(huán)境雙重瓶頸約束。kns50.chkd.cnki.netintensive pig farming更多例句