plowland造句
Studyonthemethodofdiagnosetheplowlandspacialdistributioninhistoricalera;Miningexploitationactivitieshaveimposedincreasinglygraveharmonsocialandecologicalenvironment,includingoccupationofplowland,initi...
Studyonthemethodofdiagnosetheplowlandspacialdistributioninhistoricalera;Miningexploitationactivitieshaveimposedincreasinglygraveharmonsocialandecologicalenvironment,includingoccupationofplowland,initi...