短语词组短语stretch flattening 拉伸矫直flattening machine 矫直机horizon flattening [地物]层位拉平;将叠加数据沿层拉平Flattening agent 整平剂;消光剂curve flattening 曲线平整;曲线平化D flattening 使变平flattening kiln 摊平炉bend flattening 河曲变缓 返回 flattening