东北黑土区水土流失综合防治试点工程项目概况東北黑土區水土流失綜閤防治試點工程項目概況 동북흑토구수토류실종합방치시점공정항목개황 General Situation of Pilot Project of Comprehensive Prevention and Control of Soil and Water Loss of Chernozem Region in Northeast of China
万方数据
中国水土保持中國水土保持중국수토보지 SOIL AND WATER CONSERVATION IN CHINA 2003年11期7-8,共2页
