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![gully造句]( "gully造句")
gully造句
Thirdly,accordingtotheresearchneeds,selectedgullylength,gullywidth,gullydensityandverticalslopeastheevaluationindex.Theyclamberedupanarrowgully.Thehorsegallopedforward,andthegullyandgullywascoveredbyw...
