This was the main reason for the obvious development of north seacoast in Chaochow Gulf after Tongzhi Emperor time, Qing Dynasty.

莱阳和平度低山丘陵区的大规模番薯种植是造成清同治后胶州湾北海岸发育明显的主要原因。

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This was the main reason for the obvious development of north seacoast in Chaochow Gulf after Tongzhi Emperor time, Qing Dynasty.

莱阳和平度低山丘陵区的大规模番薯种植是造成清同治后胶州湾北海岸发育明显的主要原因。

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