常見例句雙語例句This instrument has been developed to measure bed levels in hydraulic models, movable beds of beaches, harbours, estuaries etc.近來，海岸、港灣、河口等模型已進(jìn)行了渾水的動(dòng)牀試騐，河牀沖淤地形是必不可少的測量項(xiàng)目。 返回 movable beds