關於gully的百科

• gully造句怎麼寫

• Thirdly,accordingtotheresearchneeds,selectedgullylength,gullywidth,gullydensityandverticalslopeastheevaluationindex.Theyclamberedupanarrowgully.Thehorsegallopedforward,andthegullyandgullywascoveredbywhitesnow.SoilerosioninhillygullyregionoftheLoessPl...
• 2017-08-2126237