涧沟

崂山顶、涧、沟、坡、麓、滩、岬一带巨砾成因研究

Study on great gravel on mountaintop , gully , channel , slope , beach , cape and foot of mountain Laoshan

论珊瑚砂岛上巨砾堤地貌的形成&以琛航岛砾垒堤为例崂山顶、涧、沟、坡、麓、滩、岬一带巨砾成因研究

ON THE FORMATION OF THE RAMPARTS BANDING A CORAL SAND CAY Study on great gravel on mountaintop , gully , channel , slope , beach , cape and foot of mountain Laoshan