浅析雷州半岛西南部地区长期干旱的原因及治旱措施淺析雷州半島西南部地區長期榦旱的原因及治旱措施 천석뇌주반도서남부지구장기간한적원인급치한조시 An elementary analysis to the reasons of long-term drought and the ha rness measures in South-west district of Leizhou Peninsula
万方数据
节水灌溉節水灌溉절수관개 WATER SAVING IRRIGATION 1999年3期21-22,共2页