短语词组短語stretch flattening 拉伸矯直flattening machine 矯直機horizon flattening [地物]層位拉平;將曡加數據沿層拉平Flattening agent 整平劑;消光劑curve flattening 曲線平整;曲線平化D flattening 使變平flattening kiln 攤平爐bend flattening 河曲變緩 返回 flattening