range region meaning in Chinese

放牧区
射程范围

So far , unloading operation by tide is usually applied for the old quays in big tidal range region such as zhanjiang port according to the local hydrological characteristics , to enhance the old quay ' s adaptability to larger - scale vessels
摘要目前，湛江港等潮差大地区的老码头，利用当地的水文特点，普遍采取乘潮进行卸船作业的方式，增强老码头对更大等级船舶的适应性。