短語詞組短語longitudinal river slope 縱比降;河道縱比降longitudinal shrinking slope 縱比降Directions longitudinal slope 路線縱坡Applied longitudinal slope 適用縱坡relative longitudinal slope 相對縱坡bed longitudinal slope 河牀縱坡Large Longitudinal Slope 長大縱坡channel s longitudinal slope 渠道縱坡design longitudinal slope 設(shè)計縱坡 返回 longitudinal slope